diff --git a/packages/kbn-esql-validation-autocomplete/scripts/generate_function_definitions.ts b/packages/kbn-esql-validation-autocomplete/scripts/generate_function_definitions.ts
index d50d7cc903fce..aa92c7bd024d5 100644
--- a/packages/kbn-esql-validation-autocomplete/scripts/generate_function_definitions.ts
+++ b/packages/kbn-esql-validation-autocomplete/scripts/generate_function_definitions.ts
@@ -145,6 +145,39 @@ const dateDiffOptions = [
   'ns',
 ];
 
+const dateExtractOptions = [
+  'ALIGNED_DAY_OF_WEEK_IN_MONTH',
+  'ALIGNED_DAY_OF_WEEK_IN_YEAR',
+  'ALIGNED_WEEK_OF_MONTH',
+  'ALIGNED_WEEK_OF_YEAR',
+  'AMPM_OF_DAY',
+  'CLOCK_HOUR_OF_AMPM',
+  'CLOCK_HOUR_OF_DAY',
+  'DAY_OF_MONTH',
+  'DAY_OF_WEEK',
+  'DAY_OF_YEAR',
+  'EPOCH_DAY',
+  'ERA',
+  'HOUR_OF_AMPM',
+  'HOUR_OF_DAY',
+  'INSTANT_SECONDS',
+  'MICRO_OF_DAY',
+  'MICRO_OF_SECOND',
+  'MILLI_OF_DAY',
+  'MILLI_OF_SECOND',
+  'MINUTE_OF_DAY',
+  'MINUTE_OF_HOUR',
+  'MONTH_OF_YEAR',
+  'NANO_OF_DAY',
+  'NANO_OF_SECOND',
+  'OFFSET_SECONDS',
+  'PROLEPTIC_MONTH',
+  'SECOND_OF_DAY',
+  'SECOND_OF_MINUTE',
+  'YEAR',
+  'YEAR_OF_ERA',
+];
+
 /**
  * Enrichments for function definitions
  *
@@ -168,8 +201,7 @@ const functionEnrichments: Record<string, RecursivePartial<FunctionDefinition>>
   date_extract: {
     signatures: [
       {
-        // override the first param as type chrono_literal
-        params: [{ type: 'chrono_literal' }],
+        params: [{ literalOptions: dateExtractOptions }],
       },
     ],
   },
diff --git a/packages/kbn-esql-validation-autocomplete/scripts/generate_function_validation_tests.ts b/packages/kbn-esql-validation-autocomplete/scripts/generate_function_validation_tests.ts
index 0ace35433b67e..8d6394fe96af6 100644
--- a/packages/kbn-esql-validation-autocomplete/scripts/generate_function_validation_tests.ts
+++ b/packages/kbn-esql-validation-autocomplete/scripts/generate_function_validation_tests.ts
@@ -15,7 +15,7 @@ import { statsAggregationFunctionDefinitions } from '../src/definitions/aggs';
 import { evalFunctionDefinitions } from '../src/definitions/functions';
 import { groupingFunctionDefinitions } from '../src/definitions/grouping';
 import { getFunctionSignatures } from '../src/definitions/helpers';
-import { timeUnits, chronoLiterals } from '../src/definitions/literals';
+import { timeUnits } from '../src/definitions/literals';
 import { nonNullable } from '../src/shared/helpers';
 import {
   SupportedFieldType,
@@ -1045,14 +1045,10 @@ function getFieldName(
 }
 
 const literals = {
-  chrono_literal: chronoLiterals[0].name,
   time_literal: timeUnits[0],
 };
 
-function getLiteralType(typeString: 'chrono_literal' | 'time_literal') {
-  if (typeString === 'chrono_literal') {
-    return literals[typeString];
-  }
+function getLiteralType(typeString: 'time_literal') {
   return `1 ${literals[typeString]}`;
 }
 
@@ -1116,7 +1112,7 @@ function getFieldMapping(
     }
     if (/literal$/.test(typeString) && useLiterals) {
       return {
-        name: getLiteralType(typeString as 'chrono_literal' | 'time_literal'),
+        name: getLiteralType(typeString as 'time_literal'),
         type,
         ...rest,
       };
diff --git a/packages/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts b/packages/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts
index 6f0562d7f118e..57e66a825c37c 100644
--- a/packages/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts
+++ b/packages/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts
@@ -10,7 +10,7 @@ import { suggest } from './autocomplete';
 import { evalFunctionDefinitions } from '../definitions/functions';
 import { builtinFunctions } from '../definitions/builtin';
 import { statsAggregationFunctionDefinitions } from '../definitions/aggs';
-import { chronoLiterals, timeUnitsToSuggest } from '../definitions/literals';
+import { timeUnitsToSuggest } from '../definitions/literals';
 import { commandDefinitions } from '../definitions/commands';
 import { getUnitDuration, TRIGGER_SUGGESTION_COMMAND } from './factories';
 import { camelCase, partition } from 'lodash';
@@ -207,9 +207,6 @@ function getLiteralsByType(_type: string | string[]) {
     // return only singular
     return timeUnitsToSuggest.map(({ name }) => `1 ${name}`).filter((s) => !/s$/.test(s));
   }
-  if (type.includes('chrono_literal')) {
-    return chronoLiterals.map(({ name }) => name);
-  }
   return [];
 }
 
diff --git a/packages/kbn-esql-validation-autocomplete/src/autocomplete/factories.ts b/packages/kbn-esql-validation-autocomplete/src/autocomplete/factories.ts
index 53e65c2f95aba..a5f21d426c5fc 100644
--- a/packages/kbn-esql-validation-autocomplete/src/autocomplete/factories.ts
+++ b/packages/kbn-esql-validation-autocomplete/src/autocomplete/factories.ts
@@ -12,7 +12,7 @@ import { groupingFunctionDefinitions } from '../definitions/grouping';
 import { statsAggregationFunctionDefinitions } from '../definitions/aggs';
 import { evalFunctionDefinitions } from '../definitions/functions';
 import { getFunctionSignatures, getCommandSignature } from '../definitions/helpers';
-import { chronoLiterals, timeUnitsToSuggest } from '../definitions/literals';
+import { timeUnitsToSuggest } from '../definitions/literals';
 import {
   FunctionDefinition,
   CommandDefinition,
@@ -336,9 +336,6 @@ export function getCompatibleLiterals(commandName: string, types: string[], name
   if (types.includes('time_literal_unit')) {
     suggestions.push(...buildConstantsDefinitions(timeUnitsToSuggest.map(({ name }) => name))); // i.e. year, month, ...
   }
-  if (types.includes('chrono_literal')) {
-    suggestions.push(...buildConstantsDefinitions(chronoLiterals.map(({ name }) => name))); // i.e. EPOC_DAY, ...
-  }
   if (types.includes('string')) {
     if (names) {
       const index = types.indexOf('string');
diff --git a/packages/kbn-esql-validation-autocomplete/src/definitions/functions.ts b/packages/kbn-esql-validation-autocomplete/src/definitions/functions.ts
index ceb5789e0dd39..87c9f82360b44 100644
--- a/packages/kbn-esql-validation-autocomplete/src/definitions/functions.ts
+++ b/packages/kbn-esql-validation-autocomplete/src/definitions/functions.ts
@@ -668,8 +668,40 @@ const dateExtractDefinition: FunctionDefinition = {
       params: [
         {
           name: 'datePart',
-          type: 'chrono_literal',
+          type: 'string',
           optional: false,
+          literalOptions: [
+            'ALIGNED_DAY_OF_WEEK_IN_MONTH',
+            'ALIGNED_DAY_OF_WEEK_IN_YEAR',
+            'ALIGNED_WEEK_OF_MONTH',
+            'ALIGNED_WEEK_OF_YEAR',
+            'AMPM_OF_DAY',
+            'CLOCK_HOUR_OF_AMPM',
+            'CLOCK_HOUR_OF_DAY',
+            'DAY_OF_MONTH',
+            'DAY_OF_WEEK',
+            'DAY_OF_YEAR',
+            'EPOCH_DAY',
+            'ERA',
+            'HOUR_OF_AMPM',
+            'HOUR_OF_DAY',
+            'INSTANT_SECONDS',
+            'MICRO_OF_DAY',
+            'MICRO_OF_SECOND',
+            'MILLI_OF_DAY',
+            'MILLI_OF_SECOND',
+            'MINUTE_OF_DAY',
+            'MINUTE_OF_HOUR',
+            'MONTH_OF_YEAR',
+            'NANO_OF_DAY',
+            'NANO_OF_SECOND',
+            'OFFSET_SECONDS',
+            'PROLEPTIC_MONTH',
+            'SECOND_OF_DAY',
+            'SECOND_OF_MINUTE',
+            'YEAR',
+            'YEAR_OF_ERA',
+          ],
         },
         {
           name: 'date',
diff --git a/packages/kbn-esql-validation-autocomplete/src/shared/helpers.ts b/packages/kbn-esql-validation-autocomplete/src/shared/helpers.ts
index 32bd23e393431..6f2da35031997 100644
--- a/packages/kbn-esql-validation-autocomplete/src/shared/helpers.ts
+++ b/packages/kbn-esql-validation-autocomplete/src/shared/helpers.ts
@@ -24,7 +24,7 @@ import { commandDefinitions } from '../definitions/commands';
 import { evalFunctionDefinitions } from '../definitions/functions';
 import { groupingFunctionDefinitions } from '../definitions/grouping';
 import { getFunctionSignatures } from '../definitions/helpers';
-import { timeUnits, chronoLiterals } from '../definitions/literals';
+import { timeUnits } from '../definitions/literals';
 import {
   byOption,
   metadataOption,
@@ -233,9 +233,6 @@ function compareLiteralType(argType: string, item: ESQLLiteral) {
     return false;
   }
 
-  if (argType === 'chrono_literal') {
-    return chronoLiterals.some(({ name }) => name === item.text);
-  }
   // date-type parameters accept string literals because of ES auto-casting
   return ['string', 'date'].includes(argType);
 }
diff --git a/packages/kbn-esql-validation-autocomplete/src/validation/esql_validation_meta_tests.json b/packages/kbn-esql-validation-autocomplete/src/validation/esql_validation_meta_tests.json
index c49f5c7af82df..7f70b266458f7 100644
--- a/packages/kbn-esql-validation-autocomplete/src/validation/esql_validation_meta_tests.json
+++ b/packages/kbn-esql-validation-autocomplete/src/validation/esql_validation_meta_tests.json
@@ -11006,6 +11006,13 @@
       "error": [],
       "warning": []
     },
+    {
+      "query": "from a_index | eval date_extract(\"SOME_RANDOM_STRING\", now())",
+      "error": [],
+      "warning": [
+        "Invalid option [\"SOME_RANDOM_STRING\"] for date_extract. Supported options: [\"ALIGNED_DAY_OF_WEEK_IN_MONTH\", \"ALIGNED_DAY_OF_WEEK_IN_YEAR\", \"ALIGNED_WEEK_OF_MONTH\", \"ALIGNED_WEEK_OF_YEAR\", \"AMPM_OF_DAY\", \"CLOCK_HOUR_OF_AMPM\", \"CLOCK_HOUR_OF_DAY\", \"DAY_OF_MONTH\", \"DAY_OF_WEEK\", \"DAY_OF_YEAR\", \"EPOCH_DAY\", \"ERA\", \"HOUR_OF_AMPM\", \"HOUR_OF_DAY\", \"INSTANT_SECONDS\", \"MICRO_OF_DAY\", \"MICRO_OF_SECOND\", \"MILLI_OF_DAY\", \"MILLI_OF_SECOND\", \"MINUTE_OF_DAY\", \"MINUTE_OF_HOUR\", \"MONTH_OF_YEAR\", \"NANO_OF_DAY\", \"NANO_OF_SECOND\", \"OFFSET_SECONDS\", \"PROLEPTIC_MONTH\", \"SECOND_OF_DAY\", \"SECOND_OF_MINUTE\", \"YEAR\", \"YEAR_OF_ERA\"]."
+      ]
+    },
     {
       "query": "from a_index | eval var = date_extract(\"ALIGNED_DAY_OF_WEEK_IN_MONTH\", dateField)",
       "error": [],
@@ -11024,7 +11031,6 @@
     {
       "query": "from a_index | eval date_extract(stringField, stringField)",
       "error": [
-        "Argument of [date_extract] must be [chrono_literal], found value [stringField] type [string]",
         "Argument of [date_extract] must be [date], found value [stringField] type [string]"
       ],
       "warning": []
@@ -11044,7 +11050,7 @@
     {
       "query": "row var = date_extract(true, true)",
       "error": [
-        "Argument of [date_extract] must be [chrono_literal], found value [true] type [boolean]",
+        "Argument of [date_extract] must be [string], found value [true] type [boolean]",
         "Argument of [date_extract] must be [date], found value [true] type [boolean]"
       ],
       "warning": []
@@ -11057,7 +11063,7 @@
     {
       "query": "from a_index | eval date_extract(booleanField, booleanField)",
       "error": [
-        "Argument of [date_extract] must be [chrono_literal], found value [booleanField] type [boolean]",
+        "Argument of [date_extract] must be [string], found value [booleanField] type [boolean]",
         "Argument of [date_extract] must be [date], found value [booleanField] type [boolean]"
       ],
       "warning": []
diff --git a/packages/kbn-esql-validation-autocomplete/src/validation/validation.test.ts b/packages/kbn-esql-validation-autocomplete/src/validation/validation.test.ts
index 14d9c50d5c88c..062e0b9ae78f1 100644
--- a/packages/kbn-esql-validation-autocomplete/src/validation/validation.test.ts
+++ b/packages/kbn-esql-validation-autocomplete/src/validation/validation.test.ts
@@ -12,7 +12,7 @@ import { ignoreErrorsMap, validateQuery } from './validation';
 import { evalFunctionDefinitions } from '../definitions/functions';
 import { getFunctionSignatures } from '../definitions/helpers';
 import { FunctionDefinition, SupportedFieldType, supportedFieldTypes } from '../definitions/types';
-import { chronoLiterals, timeUnits, timeUnitsToSuggest } from '../definitions/literals';
+import { timeUnits, timeUnitsToSuggest } from '../definitions/literals';
 import { statsAggregationFunctionDefinitions } from '../definitions/aggs';
 import capitalize from 'lodash/capitalize';
 import { camelCase } from 'lodash';
@@ -58,13 +58,9 @@ const nestedFunctions = {
 };
 
 const literals = {
-  chrono_literal: chronoLiterals[0].name,
   time_literal: timeUnitsToSuggest[0].name,
 };
-function getLiteralType(typeString: 'chrono_literal' | 'time_literal') {
-  if (typeString === 'chrono_literal') {
-    return literals[typeString];
-  }
+function getLiteralType(typeString: 'time_literal') {
   return `1 ${literals[typeString]}`;
 }
 
@@ -144,7 +140,7 @@ function getFieldMapping(
     }
     if (/literal$/.test(typeString) && useLiterals) {
       return {
-        name: getLiteralType(typeString as 'chrono_literal' | 'time_literal'),
+        name: getLiteralType(typeString as 'time_literal'),
         type,
         ...rest,
       };
@@ -2610,6 +2606,13 @@ describe('validation logic', () => {
       describe('date_extract', () => {
         testErrorsAndWarnings('row var = date_extract("ALIGNED_DAY_OF_WEEK_IN_MONTH", now())', []);
         testErrorsAndWarnings('row date_extract("ALIGNED_DAY_OF_WEEK_IN_MONTH", now())', []);
+        testErrorsAndWarnings(
+          'from a_index | eval date_extract("SOME_RANDOM_STRING", now())',
+          [],
+          [
+            'Invalid option ["SOME_RANDOM_STRING"] for date_extract. Supported options: ["ALIGNED_DAY_OF_WEEK_IN_MONTH", "ALIGNED_DAY_OF_WEEK_IN_YEAR", "ALIGNED_WEEK_OF_MONTH", "ALIGNED_WEEK_OF_YEAR", "AMPM_OF_DAY", "CLOCK_HOUR_OF_AMPM", "CLOCK_HOUR_OF_DAY", "DAY_OF_MONTH", "DAY_OF_WEEK", "DAY_OF_YEAR", "EPOCH_DAY", "ERA", "HOUR_OF_AMPM", "HOUR_OF_DAY", "INSTANT_SECONDS", "MICRO_OF_DAY", "MICRO_OF_SECOND", "MILLI_OF_DAY", "MILLI_OF_SECOND", "MINUTE_OF_DAY", "MINUTE_OF_HOUR", "MONTH_OF_YEAR", "NANO_OF_DAY", "NANO_OF_SECOND", "OFFSET_SECONDS", "PROLEPTIC_MONTH", "SECOND_OF_DAY", "SECOND_OF_MINUTE", "YEAR", "YEAR_OF_ERA"].',
+          ]
+        );
 
         testErrorsAndWarnings(
           'from a_index | eval var = date_extract("ALIGNED_DAY_OF_WEEK_IN_MONTH", dateField)',
@@ -2627,7 +2630,6 @@ describe('validation logic', () => {
         );
 
         testErrorsAndWarnings('from a_index | eval date_extract(stringField, stringField)', [
-          'Argument of [date_extract] must be [chrono_literal], found value [stringField] type [string]',
           'Argument of [date_extract] must be [date], found value [stringField] type [string]',
         ]);
 
@@ -2642,7 +2644,7 @@ describe('validation logic', () => {
         );
 
         testErrorsAndWarnings('row var = date_extract(true, true)', [
-          'Argument of [date_extract] must be [chrono_literal], found value [true] type [boolean]',
+          'Argument of [date_extract] must be [string], found value [true] type [boolean]',
           'Argument of [date_extract] must be [date], found value [true] type [boolean]',
         ]);
 
@@ -2652,7 +2654,7 @@ describe('validation logic', () => {
         );
 
         testErrorsAndWarnings('from a_index | eval date_extract(booleanField, booleanField)', [
-          'Argument of [date_extract] must be [chrono_literal], found value [booleanField] type [boolean]',
+          'Argument of [date_extract] must be [string], found value [booleanField] type [boolean]',
           'Argument of [date_extract] must be [date], found value [booleanField] type [boolean]',
         ]);
         testErrorsAndWarnings('from a_index | eval date_extract(null, null)', []);