diff --git a/api/src/main/java/org/apache/cloudstack/api/ApiConstants.java b/api/src/main/java/org/apache/cloudstack/api/ApiConstants.java
index 6dfcf6561244..1ec3956a4d36 100644
--- a/api/src/main/java/org/apache/cloudstack/api/ApiConstants.java
+++ b/api/src/main/java/org/apache/cloudstack/api/ApiConstants.java
@@ -1141,6 +1141,14 @@ public String toString() {
         }
     }
 
+    public static final String PARAMETER_DESCRIPTION_START_DATE_POSSIBLE_FORMATS = "The recommended format is \"yyyy-MM-dd'T'HH:mm:ssZ\" (e.g.: \"2023-01-01T12:00:00+0100\"); " +
+            "however, the following formats are also accepted: \"yyyy-MM-dd HH:mm:ss\" (e.g.: \"2023-01-01 12:00:00\") and \"yyyy-MM-dd\" (e.g.: \"2023-01-01\" - if the time is not " +
+            "added, it will be interpreted as \"00:00:00\"). If the recommended format is not used, the date will be considered in the server timezone.";
+
+    public static final String PARAMETER_DESCRIPTION_END_DATE_POSSIBLE_FORMATS = "The recommended format is \"yyyy-MM-dd'T'HH:mm:ssZ\" (e.g.: \"2023-01-01T12:00:00+0100\"); " +
+            "however, the following formats are also accepted: \"yyyy-MM-dd HH:mm:ss\" (e.g.: \"2023-01-01 12:00:00\") and \"yyyy-MM-dd\" (e.g.: \"2023-01-01\" - if the time is not " +
+            "added, it will be interpreted as \"23:59:59\"). If the recommended format is not used, the date will be considered in the server timezone.";
+
     public enum BootType {
         UEFI, BIOS;
 
diff --git a/api/src/main/java/org/apache/cloudstack/api/command/admin/usage/ListUsageRecordsCmd.java b/api/src/main/java/org/apache/cloudstack/api/command/admin/usage/ListUsageRecordsCmd.java
index 3cb148c2af03..9ce1fcb2bc99 100644
--- a/api/src/main/java/org/apache/cloudstack/api/command/admin/usage/ListUsageRecordsCmd.java
+++ b/api/src/main/java/org/apache/cloudstack/api/command/admin/usage/ListUsageRecordsCmd.java
@@ -53,16 +53,12 @@ public class ListUsageRecordsCmd extends BaseListCmd {
     @Parameter(name = ApiConstants.DOMAIN_ID, type = CommandType.UUID, entityType = DomainResponse.class, description = "List usage records for the specified domain.")
     private Long domainId;
 
-    @Parameter(name = ApiConstants.END_DATE,
-            type = CommandType.DATE,
-            required = true,
-            description = "End date range for usage record query (use format \"yyyy-MM-dd\" or the new format \"yyyy-MM-dd HH:mm:ss\", e.g. startDate=2015-01-01 or startdate=2015-01-01 10:30:00).")
+    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, required = true, description = "End date range for usage record query. " +
+            ApiConstants.PARAMETER_DESCRIPTION_END_DATE_POSSIBLE_FORMATS)
     private Date endDate;
 
-    @Parameter(name = ApiConstants.START_DATE,
-            type = CommandType.DATE,
-            required = true,
-            description = "Start date range for usage record query (use format \"yyyy-MM-dd\" or the new format \"yyyy-MM-dd HH:mm:ss\", e.g. startDate=2015-01-01 or startdate=2015-01-01 11:00:00).")
+    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, required = true, description = "Start date range for usage record query. " +
+            ApiConstants.PARAMETER_DESCRIPTION_START_DATE_POSSIBLE_FORMATS)
     private Date startDate;
 
     @Parameter(name = ApiConstants.ACCOUNT_ID, type = CommandType.UUID, entityType = AccountResponse.class, description = "List usage records for the specified account")
@@ -137,11 +133,11 @@ public void setDomainId(Long domainId) {
     }
 
     public void setEndDate(Date endDate) {
-        this.endDate = endDate == null ? null : new Date(endDate.getTime());
+        this.endDate = endDate;
     }
 
     public void setStartDate(Date startDate) {
-        this.startDate = startDate == null ? null : new Date(startDate.getTime());
+        this.startDate = startDate;
     }
 
     public void setAccountId(Long accountId) {
@@ -167,8 +163,8 @@ public Boolean isRecursive() {
     @Override
     public void execute() {
         Pair<List<? extends Usage>, Integer> usageRecords = _usageService.getUsageRecords(this);
-        ListResponse<UsageRecordResponse> response = new ListResponse<UsageRecordResponse>();
-        List<UsageRecordResponse> usageResponses = new ArrayList<UsageRecordResponse>();
+        ListResponse<UsageRecordResponse> response = new ListResponse<>();
+        List<UsageRecordResponse> usageResponses = new ArrayList<>();
         Map<String, Set<ResourceTagResponse>> resourceTagResponseMap = null;
         if (usageRecords != null) {
             //read the resource tags details for all the resources in usage data and store in Map
diff --git a/api/src/main/java/org/apache/cloudstack/api/response/UsageRecordResponse.java b/api/src/main/java/org/apache/cloudstack/api/response/UsageRecordResponse.java
index 7bcb1afd2d24..4522315b499a 100644
--- a/api/src/main/java/org/apache/cloudstack/api/response/UsageRecordResponse.java
+++ b/api/src/main/java/org/apache/cloudstack/api/response/UsageRecordResponse.java
@@ -16,6 +16,7 @@
 // under the License.
 package org.apache.cloudstack.api.response;
 
+import java.util.Date;
 import java.util.LinkedHashSet;
 import java.util.Set;
 
@@ -133,11 +134,11 @@ public class UsageRecordResponse extends BaseResponseWithTagInformation implemen
 
     @SerializedName(ApiConstants.START_DATE)
     @Param(description = "start date of the usage record")
-    private String startDate;
+    private Date startDate;
 
     @SerializedName(ApiConstants.END_DATE)
     @Param(description = "end date of the usage record")
-    private String endDate;
+    private Date endDate;
 
     @SerializedName("issourcenat")
     @Param(description = "True if the IPAddress is source NAT")
@@ -160,7 +161,7 @@ public class UsageRecordResponse extends BaseResponseWithTagInformation implemen
     private String vpcId;
 
     public UsageRecordResponse() {
-        tags = new LinkedHashSet<ResourceTagResponse>();
+        tags = new LinkedHashSet<>();
     }
 
     public void setTags(Set<ResourceTagResponse> tags) {
@@ -245,11 +246,11 @@ public void setSize(Long size) {
         this.size = size;
     }
 
-    public void setStartDate(String startDate) {
+    public void setStartDate(Date startDate) {
         this.startDate = startDate;
     }
 
-    public void setEndDate(String endDate) {
+    public void setEndDate(Date endDate) {
         this.endDate = endDate;
     }
 
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaBalanceCmd.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaBalanceCmd.java
index 53d82fae604c..218e3c2b2f91 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaBalanceCmd.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaBalanceCmd.java
@@ -43,10 +43,12 @@ public class QuotaBalanceCmd extends BaseCmd {
     @Parameter(name = ApiConstants.DOMAIN_ID, type = CommandType.UUID, required = true, entityType = DomainResponse.class, description = "If domain Id is given and the caller is domain admin then the statement is generated for domain.")
     private Long domainId;
 
-    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "End date range for quota query. Use yyyy-MM-dd as the date format, e.g. startDate=2009-06-03.")
+    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "End of the period of the Quota balance." +
+            ApiConstants.PARAMETER_DESCRIPTION_END_DATE_POSSIBLE_FORMATS)
     private Date endDate;
 
-    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, description = "Start date range quota query. Use yyyy-MM-dd as the date format, e.g. startDate=2009-06-01.")
+    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, description = "Start of the period of the Quota balance. " +
+            ApiConstants.PARAMETER_DESCRIPTION_START_DATE_POSSIBLE_FORMATS)
     private Date startDate;
 
     @Parameter(name = ApiConstants.ACCOUNT_ID, type = CommandType.UUID, entityType = AccountResponse.class, description = "List usage records for the specified account")
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaStatementCmd.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaStatementCmd.java
index cc02ed31d2de..4fb33f79672e 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaStatementCmd.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaStatementCmd.java
@@ -45,10 +45,12 @@ public class QuotaStatementCmd extends BaseCmd {
     @Parameter(name = ApiConstants.DOMAIN_ID, type = CommandType.UUID, required = true, entityType = DomainResponse.class, description = "Optional, If domain Id is given and the caller is domain admin then the statement is generated for domain.")
     private Long domainId;
 
-    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, required = true, description = "End date range for quota query. Use yyyy-MM-dd as the date format, e.g. startDate=2009-06-03.")
+    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, required = true, description = "End of the period of the Quota statement. " +
+            ApiConstants.PARAMETER_DESCRIPTION_END_DATE_POSSIBLE_FORMATS)
     private Date endDate;
 
-    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, required = true, description = "Start date range quota query. Use yyyy-MM-dd as the date format, e.g. startDate=2009-06-01.")
+    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, required = true, description = "Start of the period of the Quota statement. " +
+            ApiConstants.PARAMETER_DESCRIPTION_START_DATE_POSSIBLE_FORMATS)
     private Date startDate;
 
     @Parameter(name = ApiConstants.TYPE, type = CommandType.INTEGER, description = "List quota usage records for the specified usage type")
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffCreateCmd.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffCreateCmd.java
index ef9ffc23d13d..b9406754b31f 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffCreateCmd.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffCreateCmd.java
@@ -60,12 +60,12 @@ public class QuotaTariffCreateCmd extends BaseCmd {
             "value will be applied.", length = 65535)
     private String activationRule;
 
-    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, description = "The effective start date on/after which the quota tariff is effective. Use yyyy-MM-dd as"
-            + " the date format, e.g. startDate=2009-06-03. Inform null to use the current date.")
+    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, description = "The effective start date on/after which the quota tariff is effective. Inform null to " +
+            "use the current date. " + ApiConstants.PARAMETER_DESCRIPTION_START_DATE_POSSIBLE_FORMATS)
     private Date startDate;
 
-    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "The end date of the quota tariff. Use yyyy-MM-dd as the date format, e.g."
-            + " endDate=2009-06-03.")
+    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "The end date of the quota tariff. If not informed, the tariff will be valid indefinitely. " +
+            ApiConstants.PARAMETER_DESCRIPTION_END_DATE_POSSIBLE_FORMATS)
     private Date endDate;
 
     @Override
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffListCmd.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffListCmd.java
index c47fdbfa1d87..b4e8c868e40d 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffListCmd.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffListCmd.java
@@ -44,18 +44,18 @@ public class QuotaTariffListCmd extends BaseListCmd {
     @Parameter(name = ApiConstants.USAGE_TYPE, type = CommandType.INTEGER, description = "Usage type of the resource")
     private Integer usageType;
 
-    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, description = "The start date of the quota tariff. Use yyyy-MM-dd as the date format, "
-            + "e.g. startDate=2009-06-03.")
+    @Parameter(name = ApiConstants.START_DATE, type = CommandType.DATE, description = "The start date of the quota tariff. " +
+            ApiConstants.PARAMETER_DESCRIPTION_START_DATE_POSSIBLE_FORMATS)
     private Date effectiveDate;
 
-    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "The end date of the quota tariff. Use yyyy-MM-dd as the date format, e.g. "
-            + "endDate=2021-11-03.", since = "4.18.0.0")
+    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "The end date of the quota tariff. " +
+            ApiConstants.PARAMETER_DESCRIPTION_END_DATE_POSSIBLE_FORMATS, since = "4.18.0.0")
     private Date endDate;
 
     @Parameter(name = ApiConstants.NAME, type = CommandType.STRING, description = "The name of the quota tariff.", since = "4.18.0.0")
     private String name;
 
-    @Parameter(name = ApiConstants.LIST_ALL, type = CommandType.BOOLEAN, description = "False will list only not removed quota tariffs. If set to True, we will "
+    @Parameter(name = ApiConstants.LIST_ALL, type = CommandType.BOOLEAN, description = "False will list only not removed quota tariffs. If set to true, we will "
             + "list all, including the removed ones. The default is false.", since = "4.18.0.0")
     private boolean listAll = false;
 
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffUpdateCmd.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffUpdateCmd.java
index 175500604d69..4fc1f08da881 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffUpdateCmd.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/command/QuotaTariffUpdateCmd.java
@@ -52,8 +52,8 @@ public class QuotaTariffUpdateCmd extends BaseCmd {
             "Use yyyy-MM-dd as the date format, e.g. startDate=2009-06-03.")
     private Date startDate;
 
-    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "The end date of the quota tariff. Use yyyy-MM-dd as the date format, e.g."
-            + " endDate=2009-06-03.", since = "4.18.0.0")
+    @Parameter(name = ApiConstants.END_DATE, type = CommandType.DATE, description = "The end date of the quota tariff. " +
+            ApiConstants.PARAMETER_DESCRIPTION_END_DATE_POSSIBLE_FORMATS, since = "4.18.0.0")
     private Date endDate;
 
     @Parameter(name = ApiConstants.NAME, type = CommandType.STRING, required = true, description = "Quota tariff's name", length = 65535, since = "4.18.0.0")
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImpl.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImpl.java
index 94897b410f42..94f821828abc 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImpl.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImpl.java
@@ -134,7 +134,7 @@ public QuotaTariffResponse createQuotaTariffResponse(QuotaTariffVO tariff) {
         response.setName(tariff.getName());
         response.setEndDate(tariff.getEndDate());
         response.setDescription(tariff.getDescription());
-        response.setUuid(tariff.getUuid());
+        response.setId(tariff.getUuid());
         response.setRemoved(tariff.getRemoved());
         return response;
     }
@@ -376,8 +376,8 @@ public int compare(QuotaUsageVO o1, QuotaUsageVO o2) {
 
     @Override
     public Pair<List<QuotaTariffVO>, Integer> listQuotaTariffPlans(final QuotaTariffListCmd cmd) {
-        Date startDate = _quotaService.computeAdjustedTime(cmd.getEffectiveDate());
-        Date endDate = _quotaService.computeAdjustedTime(cmd.getEndDate());
+        Date startDate = cmd.getEffectiveDate();
+        Date endDate = cmd.getEndDate();
         Integer usageType = cmd.getUsageType();
         String name = cmd.getName();
         boolean listAll = cmd.isListAll();
@@ -395,10 +395,10 @@ public Pair<List<QuotaTariffVO>, Integer> listQuotaTariffPlans(final QuotaTariff
     public QuotaTariffVO updateQuotaTariffPlan(QuotaTariffUpdateCmd cmd) {
         String name = cmd.getName();
         Double value = cmd.getValue();
-        Date endDate = _quotaService.computeAdjustedTime(cmd.getEndDate());
+        Date endDate = cmd.getEndDate();
         String description = cmd.getDescription();
         String activationRule = cmd.getActivationRule();
-        Date now = _quotaService.computeAdjustedTime(new Date());
+        Date now = new Date();
 
         warnQuotaTariffUpdateDeprecatedFields(cmd);
 
@@ -488,7 +488,7 @@ protected void validateEndDateOnCreatingNewQuotaTariff(QuotaTariffVO newQuotaTar
                     endDate, startDate));
         }
 
-        Date now = _quotaService.computeAdjustedTime(new Date());
+        Date now = new Date();
         if (endDate.compareTo(now) < 0) {
             throw new InvalidParameterValueException(String.format("The quota tariff's end date [%s] cannot be less than now [%s].",
                     endDate, now));
@@ -499,7 +499,7 @@ protected void validateEndDateOnCreatingNewQuotaTariff(QuotaTariffVO newQuotaTar
 
     @Override
     public QuotaCreditsResponse addQuotaCredits(Long accountId, Long domainId, Double amount, Long updatedBy, Boolean enforce) {
-        Date despositedOn = _quotaService.computeAdjustedTime(new Date());
+        Date despositedOn = new Date();
         QuotaBalanceVO qb = _quotaBalanceDao.findLaterBalanceEntry(accountId, domainId, despositedOn);
 
         if (qb != null) {
@@ -643,8 +643,8 @@ public QuotaTariffVO createQuotaTariff(QuotaTariffCreateCmd cmd) {
         int usageType = cmd.getUsageType();
         Date startDate = cmd.getStartDate();
         Date now = new Date();
-        startDate = _quotaService.computeAdjustedTime(startDate == null ? now : startDate);
-        Date endDate = _quotaService.computeAdjustedTime(cmd.getEndDate());
+        startDate = startDate == null ? now : startDate;
+        Date endDate = cmd.getEndDate();
         Double value = cmd.getValue();
         String description = cmd.getDescription();
         String activationRule = cmd.getActivationRule();
@@ -675,10 +675,8 @@ public boolean deleteQuotaTariff(String quotaTariffUuid) {
             throw new ServerApiException(ApiErrorCode.PARAM_ERROR, "Quota tariff with the provided UUID does not exist.");
         }
 
-        quotaTariff.setRemoved(_quotaService.computeAdjustedTime(new Date()));
-
+        quotaTariff.setRemoved(new Date());
         CallContext.current().setEventResourceId(quotaTariff.getId());
-
         return _quotaTariffDao.updateQuotaTariff(quotaTariff);
     }
 
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaTariffResponse.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaTariffResponse.java
index ce4c5953641d..cec3634c76d8 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaTariffResponse.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/api/response/QuotaTariffResponse.java
@@ -19,6 +19,7 @@
 import com.cloud.serializer.Param;
 import com.google.gson.annotations.SerializedName;
 
+import org.apache.cloudstack.api.ApiConstants;
 import org.apache.cloudstack.api.BaseResponse;
 
 import java.math.BigDecimal;
@@ -74,9 +75,9 @@ public class QuotaTariffResponse extends BaseResponse {
     @Param(description = "description")
     private String description;
 
-    @SerializedName("uuid")
-    @Param(description = "uuid")
-    private String uuid;
+    @SerializedName(ApiConstants.ID)
+    @Param(description = "the ID of the tariff")
+    private String id;
 
     @SerializedName("removed")
     @Param(description = "when the quota tariff was removed")
@@ -87,15 +88,6 @@ public QuotaTariffResponse() {
         this.setObjectName("quotatariff");
     }
 
-    public QuotaTariffResponse(final int usageType) {
-        super();
-        this.usageType = usageType;
-    }
-
-    public String getUsageName() {
-        return usageName;
-    }
-
     public void setUsageName(String usageName) {
         this.usageName = usageName;
     }
@@ -108,18 +100,10 @@ public void setUsageType(int usageType) {
         this.usageType = usageType;
     }
 
-    public String getUsageUnit() {
-        return usageUnit;
-    }
-
     public void setUsageUnit(String usageUnit) {
         this.usageUnit = usageUnit;
     }
 
-    public String getUsageDiscriminator() {
-        return usageDiscriminator;
-    }
-
     public void setUsageDiscriminator(String usageDiscriminator) {
         this.usageDiscriminator = usageDiscriminator;
     }
@@ -132,26 +116,14 @@ public void setTariffValue(BigDecimal tariffValue) {
         this.tariffValue = tariffValue;
     }
 
-    public String getUsageTypeDescription() {
-        return usageTypeDescription;
-    }
-
     public void setUsageTypeDescription(String usageTypeDescription) {
         this.usageTypeDescription = usageTypeDescription;
     }
 
-    public Date getEffectiveOn() {
-        return effectiveOn;
-    }
-
     public void setEffectiveOn(Date effectiveOn) {
         this.effectiveOn = effectiveOn;
     }
 
-    public String getCurrency() {
-        return currency;
-    }
-
     public void setCurrency(String currency) {
         this.currency = currency;
     }
@@ -188,16 +160,12 @@ public void setDescription(String description) {
         this.description = description;
     }
 
-    public String getUuid() {
-        return uuid;
-    }
-
-    public void setUuid(String uuid) {
-        this.uuid = uuid;
+    public String getId() {
+        return id;
     }
 
-    public Date getRemoved() {
-        return removed;
+    public void setId(String id) {
+        this.id = id;
     }
 
     public void setRemoved(Date removed) {
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaService.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaService.java
index fe634715d89e..8f3c34982c0b 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaService.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaService.java
@@ -32,8 +32,6 @@ public interface QuotaService extends PluggableService {
 
     List<QuotaBalanceVO> findQuotaBalanceVO(Long accountId, String accountName, Long domainId, Date startDate, Date endDate);
 
-    Date computeAdjustedTime(Date date);
-
     void setLockAccount(Long accountId, Boolean state);
 
     void setMinBalance(Long accountId, Double balance);
diff --git a/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaServiceImpl.java b/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaServiceImpl.java
index da3f50b165a5..4bc41233096c 100644
--- a/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaServiceImpl.java
+++ b/plugins/database/quota/src/main/java/org/apache/cloudstack/quota/QuotaServiceImpl.java
@@ -18,7 +18,6 @@
 
 import java.math.BigDecimal;
 import java.util.ArrayList;
-import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
@@ -165,36 +164,32 @@ public List<QuotaBalanceVO> findQuotaBalanceVO(Long accountId, String accountNam
 
         if (endDate == null) {
             // adjust start date to end of day as there is no end date
-            Date adjustedStartDate = computeAdjustedTime(_respBldr.startOfNextDay(startDate));
+            startDate = _respBldr.startOfNextDay(startDate);
             if (logger.isDebugEnabled()) {
-                logger.debug("getQuotaBalance1: Getting quota balance records for account: " + accountId + ", domainId: " + domainId + ", on or before " + adjustedStartDate);
+                logger.debug("getQuotaBalance1: Getting quota balance records for account: " + accountId + ", domainId: " + domainId + ", on or before " + startDate);
             }
-            List<QuotaBalanceVO> qbrecords = _quotaBalanceDao.lastQuotaBalanceVO(accountId, domainId, adjustedStartDate);
+            List<QuotaBalanceVO> qbrecords = _quotaBalanceDao.lastQuotaBalanceVO(accountId, domainId, startDate);
             if (logger.isDebugEnabled()) {
                 logger.debug("Found records size=" + qbrecords.size());
             }
             if (qbrecords.isEmpty()) {
-                logger.info("Incorrect Date there are no quota records before this date " + adjustedStartDate);
+                logger.info("Incorrect Date there are no quota records before this date " + startDate);
                 return qbrecords;
             } else {
                 return qbrecords;
             }
         } else {
-            Date adjustedStartDate = computeAdjustedTime(startDate);
-            if (endDate.after(_respBldr.startOfNextDay())) {
-                throw new InvalidParameterValueException("Incorrect Date Range. End date:" + endDate + " should not be in future. ");
-            } else if (startDate.before(endDate)) {
-                Date adjustedEndDate = computeAdjustedTime(endDate);
+            if (startDate.before(endDate)) {
                 if (logger.isDebugEnabled()) {
-                    logger.debug("getQuotaBalance2: Getting quota balance records for account: " + accountId + ", domainId: " + domainId + ", between " + adjustedStartDate
-                            + " and " + adjustedEndDate);
+                    logger.debug("getQuotaBalance2: Getting quota balance records for account: " + accountId + ", domainId: " + domainId + ", between " + startDate
+                            + " and " + endDate);
                 }
-                List<QuotaBalanceVO> qbrecords = _quotaBalanceDao.findQuotaBalance(accountId, domainId, adjustedStartDate, adjustedEndDate);
+                List<QuotaBalanceVO> qbrecords = _quotaBalanceDao.findQuotaBalance(accountId, domainId, startDate, endDate);
                 if (logger.isDebugEnabled()) {
                     logger.debug("getQuotaBalance3: Found records size=" + qbrecords.size());
                 }
                 if (qbrecords.isEmpty()) {
-                    logger.info("There are no quota records between these dates start date " + adjustedStartDate + " and end date:" + endDate);
+                    logger.info("There are no quota records between these dates start date " + startDate + " and end date:" + endDate);
                     return qbrecords;
                 } else {
                     return qbrecords;
@@ -230,44 +225,11 @@ public List<QuotaUsageVO> getQuotaUsage(Long accountId, String accountName, Long
         if (startDate.after(endDate)) {
             throw new InvalidParameterValueException("Incorrect Date Range. Start date: " + startDate + " is after end date:" + endDate);
         }
-        if (endDate.after(_respBldr.startOfNextDay())) {
-            throw new InvalidParameterValueException("Incorrect Date Range. End date:" + endDate + " should not be in future. ");
-        }
-        Date adjustedEndDate = computeAdjustedTime(endDate);
-        Date adjustedStartDate = computeAdjustedTime(startDate);
-        if (logger.isDebugEnabled()) {
-            logger.debug("Getting quota records for account: " + accountId + ", domainId: " + domainId + ", between " + adjustedStartDate + " and " + adjustedEndDate);
-        }
-        return _quotaUsageDao.findQuotaUsage(accountId, domainId, usageType, adjustedStartDate, adjustedEndDate);
-    }
-
-    @Override
-    public Date computeAdjustedTime(final Date date) {
-        if (date == null) {
-            return null;
-        }
-
-        Calendar cal = Calendar.getInstance();
-        cal.setTime(date);
-        TimeZone localTZ = cal.getTimeZone();
-        int timezoneOffset = cal.get(Calendar.ZONE_OFFSET);
-        if (localTZ.inDaylightTime(date)) {
-            timezoneOffset += (60 * 60 * 1000);
-        }
-        cal.add(Calendar.MILLISECOND, timezoneOffset);
-
-        Date newTime = cal.getTime();
-
-        Calendar calTS = Calendar.getInstance(_usageTimezone);
-        calTS.setTime(newTime);
-        timezoneOffset = calTS.get(Calendar.ZONE_OFFSET);
-        if (_usageTimezone.inDaylightTime(date)) {
-            timezoneOffset += (60 * 60 * 1000);
-        }
 
-        calTS.add(Calendar.MILLISECOND, -1 * timezoneOffset);
+        logger.debug("Getting quota records of type [{}] for account [{}] in domain [{}], between [{}] and [{}].",
+                usageType, accountId, domainId, startDate, endDate);
 
-        return calTS.getTime();
+        return _quotaUsageDao.findQuotaUsage(accountId, domainId, usageType, startDate, endDate);
     }
 
     @Override
diff --git a/plugins/database/quota/src/test/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImplTest.java b/plugins/database/quota/src/test/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImplTest.java
index 899ce649fce0..664863a1b905 100644
--- a/plugins/database/quota/src/test/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImplTest.java
+++ b/plugins/database/quota/src/test/java/org/apache/cloudstack/api/response/QuotaResponseBuilderImplTest.java
@@ -177,7 +177,6 @@ public void testAddQuotaCredits() {
 
         Mockito.when(quotaCreditsDaoMock.saveCredits(Mockito.any(QuotaCreditsVO.class))).thenReturn(credit);
         Mockito.when(quotaBalanceDaoMock.lastQuotaBalance(Mockito.anyLong(), Mockito.anyLong(), Mockito.any(Date.class))).thenReturn(new BigDecimal(111));
-        Mockito.when(quotaServiceMock.computeAdjustedTime(Mockito.any(Date.class))).thenReturn(new Date());
 
         AccountVO account = new AccountVO();
         account.setState(Account.State.LOCKED);
@@ -245,7 +244,6 @@ public void testCreateQuotaLastBalanceResponse() {
         entry.setCreditBalance(new BigDecimal(100));
         quotaBalance.add(entry);
         quotaBalance.add(entry);
-        Mockito.lenient().when(quotaServiceMock.computeAdjustedTime(Mockito.any(Date.class))).thenReturn(new Date());
         QuotaBalanceResponse resp = quotaResponseBuilderSpy.createQuotaLastBalanceResponse(quotaBalance, null);
         assertTrue(resp.getStartQuota().compareTo(new BigDecimal(200)) == 0);
     }
@@ -326,16 +324,14 @@ public void validateEndDateOnCreatingNewQuotaTariffTestEndDateLessThanNowThrowIn
         Date startDate = DateUtils.addDays(date, -100);
         Date endDate = DateUtils.addDays(new Date(), -1);
 
-        Mockito.doReturn(date).when(quotaServiceMock).computeAdjustedTime(Mockito.any(Date.class));
         quotaResponseBuilderSpy.validateEndDateOnCreatingNewQuotaTariff(quotaTariffVoMock, startDate, endDate);
     }
 
     @Test
     public void validateEndDateOnCreatingNewQuotaTariffTestSetValidEndDate() {
         Date startDate = DateUtils.addDays(date, -100);
-        Date endDate = date;
+        Date endDate = DateUtils.addMilliseconds(new Date(), 1);
 
-        Mockito.doReturn(DateUtils.addDays(date, -10)).when(quotaServiceMock).computeAdjustedTime(Mockito.any(Date.class));
         quotaResponseBuilderSpy.validateEndDateOnCreatingNewQuotaTariff(quotaTariffVoMock, startDate, endDate);
         Mockito.verify(quotaTariffVoMock).setEndDate(Mockito.any(Date.class));
     }
@@ -387,7 +383,6 @@ public void deleteQuotaTariffTestQuotaDoesNotExistThrowsServerApiException() {
     public void deleteQuotaTariffTestUpdateRemoved() {
         Mockito.doReturn(quotaTariffVoMock).when(quotaTariffDaoMock).findByUuid(Mockito.anyString());
         Mockito.doReturn(true).when(quotaTariffDaoMock).updateQuotaTariff(Mockito.any(QuotaTariffVO.class));
-        Mockito.doReturn(new Date()).when(quotaServiceMock).computeAdjustedTime(Mockito.any(Date.class));
 
         Assert.assertTrue(quotaResponseBuilderSpy.deleteQuotaTariff(""));
 
diff --git a/plugins/database/quota/src/test/java/org/apache/cloudstack/quota/QuotaServiceImplTest.java b/plugins/database/quota/src/test/java/org/apache/cloudstack/quota/QuotaServiceImplTest.java
index fa58c35ea5d5..19e756d1d973 100644
--- a/plugins/database/quota/src/test/java/org/apache/cloudstack/quota/QuotaServiceImplTest.java
+++ b/plugins/database/quota/src/test/java/org/apache/cloudstack/quota/QuotaServiceImplTest.java
@@ -30,7 +30,6 @@
 import org.apache.cloudstack.quota.vo.QuotaAccountVO;
 import org.apache.cloudstack.quota.vo.QuotaBalanceVO;
 import org.joda.time.DateTime;
-import org.joda.time.DateTimeZone;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -102,13 +101,6 @@ public void setup() throws IllegalAccessException, NoSuchFieldException, Configu
         quotaService.configure("randomName", null);
     }
 
-    @Test
-    public void testComputeAdjustedTime() {
-        DateTime now = new DateTime(DateTimeZone.UTC);
-        DateTime result = new DateTime(quotaService.computeAdjustedTime(now.toDate()));
-        // FIXME: fix this test
-    }
-
     @Test
     public void testFindQuotaBalanceVO() {
         final long accountId = 2L;
@@ -123,7 +115,6 @@ public void testFindQuotaBalanceVO() {
         qb.setAccountId(accountId);
         records.add(qb);
 
-        Mockito.when(respBldr.startOfNextDay()).thenReturn(endDate);
         Mockito.when(respBldr.startOfNextDay(Mockito.any(Date.class))).thenReturn(startDate);
         Mockito.when(quotaBalanceDao.findQuotaBalance(Mockito.eq(accountId), Mockito.eq(domainId), Mockito.any(Date.class), Mockito.any(Date.class))).thenReturn(records);
         Mockito.when(quotaBalanceDao.lastQuotaBalanceVO(Mockito.eq(accountId), Mockito.eq(domainId), Mockito.any(Date.class))).thenReturn(records);
@@ -142,7 +133,6 @@ public void testGetQuotaUsage() {
         final Date startDate = new DateTime().minusDays(2).toDate();
         final Date endDate = new Date();
 
-        Mockito.when(respBldr.startOfNextDay()).thenReturn(endDate);
         quotaService.getQuotaUsage(accountId, accountName, domainId, QuotaTypes.IP_ADDRESS, startDate, endDate);
         Mockito.verify(quotaUsageDao, Mockito.times(1)).findQuotaUsage(Mockito.eq(accountId), Mockito.eq(domainId), Mockito.eq(QuotaTypes.IP_ADDRESS), Mockito.any(Date.class), Mockito.any(Date.class));
     }
diff --git a/server/src/main/java/com/cloud/api/ApiResponseHelper.java b/server/src/main/java/com/cloud/api/ApiResponseHelper.java
index b665257bb2ac..5a580cb86e40 100644
--- a/server/src/main/java/com/cloud/api/ApiResponseHelper.java
+++ b/server/src/main/java/com/cloud/api/ApiResponseHelper.java
@@ -4374,10 +4374,10 @@ public UsageRecordResponse createUsageResponse(Usage usageRecord, Map<String, Se
         }
 
         if (usageRecord.getStartDate() != null) {
-            usageRecResponse.setStartDate(getDateStringInternal(usageRecord.getStartDate()));
+            usageRecResponse.setStartDate(usageRecord.getStartDate());
         }
         if (usageRecord.getEndDate() != null) {
-            usageRecResponse.setEndDate(getDateStringInternal(usageRecord.getEndDate()));
+            usageRecResponse.setEndDate(usageRecord.getEndDate());
         }
 
         return usageRecResponse;
diff --git a/server/src/main/java/com/cloud/usage/UsageServiceImpl.java b/server/src/main/java/com/cloud/usage/UsageServiceImpl.java
index 3398e3ba571b..170ef1fdbbcd 100644
--- a/server/src/main/java/com/cloud/usage/UsageServiceImpl.java
+++ b/server/src/main/java/com/cloud/usage/UsageServiceImpl.java
@@ -206,14 +206,10 @@ public Pair<List<? extends Usage>, Integer> getUsageRecords(ListUsageRecordsCmd
         if (startDate.after(endDate)) {
             throw new InvalidParameterValueException("Incorrect Date Range. Start date: " + startDate + " is after end date:" + endDate);
         }
-        TimeZone usageTZ = getUsageTimezone();
-        Date adjustedStartDate = computeAdjustedTime(startDate, usageTZ);
-        Date adjustedEndDate = computeAdjustedTime(endDate, usageTZ);
 
         logger.debug("Getting usage records for account ID [{}], domain ID [{}] between [{}] and [{}] using page size [{}] and start index [{}].",
-                accountId, domainId, DateUtil.displayDateInTimezone(_usageTimezone, adjustedStartDate),
-                DateUtil.displayDateInTimezone(_usageTimezone, adjustedEndDate), cmd.getPageSizeVal(),
-                cmd.getStartIndex());
+                accountId, domainId, DateUtil.displayDateInTimezone(_usageTimezone, startDate), DateUtil.displayDateInTimezone(_usageTimezone, endDate),
+                cmd.getPageSizeVal(), cmd.getStartIndex());
 
         Filter usageFilter = new Filter(UsageVO.class, "id", true, cmd.getStartIndex(), cmd.getPageSizeVal());
 
@@ -338,9 +334,9 @@ public Pair<List<? extends Usage>, Integer> getUsageRecords(ListUsageRecordsCmd
         // Filter out hidden usages
         sc.addAnd("isHidden", SearchCriteria.Op.EQ, false);
 
-        if ((adjustedStartDate != null) && (adjustedEndDate != null) && adjustedStartDate.before(adjustedEndDate)) {
-            sc.addAnd("startDate", SearchCriteria.Op.BETWEEN, adjustedStartDate, adjustedEndDate);
-            sc.addAnd("endDate", SearchCriteria.Op.BETWEEN, adjustedStartDate, adjustedEndDate);
+        if ((startDate != null) && (endDate != null) && startDate.before(endDate)) {
+            sc.addAnd("startDate", SearchCriteria.Op.BETWEEN, startDate, endDate);
+            sc.addAnd("endDate", SearchCriteria.Op.BETWEEN, startDate, endDate);
         } else {
             return new Pair<List<? extends Usage>, Integer>(new ArrayList<Usage>(), new Integer(0)); // return an empty list if we fail to validate the dates
         }
@@ -490,30 +486,6 @@ public boolean removeRawUsageRecords(RemoveRawUsageRecordsCmd cmd) throws Invali
         return true;
     }
 
-    private Date computeAdjustedTime(Date initialDate, TimeZone targetTZ) {
-        Calendar cal = Calendar.getInstance();
-        cal.setTime(initialDate);
-        TimeZone localTZ = cal.getTimeZone();
-        int timezoneOffset = cal.get(Calendar.ZONE_OFFSET);
-        if (localTZ.inDaylightTime(initialDate)) {
-            timezoneOffset += (60 * 60 * 1000);
-        }
-        cal.add(Calendar.MILLISECOND, timezoneOffset);
-
-        Date newTime = cal.getTime();
-
-        Calendar calTS = Calendar.getInstance(targetTZ);
-        calTS.setTime(newTime);
-        timezoneOffset = calTS.get(Calendar.ZONE_OFFSET);
-        if (targetTZ.inDaylightTime(initialDate)) {
-            timezoneOffset += (60 * 60 * 1000);
-        }
-
-        calTS.add(Calendar.MILLISECOND, -1 * timezoneOffset);
-
-        return calTS.getTime();
-    }
-
     @Override
     public List<UsageTypeResponse> listUsageTypes() {
         return UsageTypes.listUsageTypes();