From f1ec0c621b8b5d9d549271f3efd7a7accfa9cf88 Mon Sep 17 00:00:00 2001
From: Michael Prentice <splaktar@gmail.com>
Date: Thu, 27 Aug 2020 22:41:39 -0400
Subject: [PATCH] fix(datepicker): min-date validation is incorrect in GMT+X
 timezones

Fixes #11963
---
 package.json                                        | 2 +-
 src/components/datepicker/js/dateUtil.js            | 4 ++--
 src/components/datepicker/js/datepickerDirective.js | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/package.json b/package.json
index 60bb6ff4659..a5af0338aa4 100644
--- a/package.json
+++ b/package.json
@@ -133,4 +133,4 @@
     "node": ">=10",
     "npm": ">=6"
   }
-}
\ No newline at end of file
+}
diff --git a/src/components/datepicker/js/dateUtil.js b/src/components/datepicker/js/dateUtil.js
index ef42a0f3fb5..b848d1e0e2a 100644
--- a/src/components/datepicker/js/dateUtil.js
+++ b/src/components/datepicker/js/dateUtil.js
@@ -310,8 +310,8 @@
      }
 
     /**
-     * @param {Date} value
-     * @return {boolean|boolean}
+     * @param {Date} value date in local timezone
+     * @return {Date} date with local timezone removed
      */
     function removeLocalTzAndReparseDate(value) {
       var dateValue, formattedDate;
diff --git a/src/components/datepicker/js/datepickerDirective.js b/src/components/datepicker/js/datepickerDirective.js
index 99efc62406f..48dedf72d06 100644
--- a/src/components/datepicker/js/datepickerDirective.js
+++ b/src/components/datepicker/js/datepickerDirective.js
@@ -1001,7 +1001,7 @@
     var self = this;
     var timezone = this.$mdUtil.getModelOption(this.ngModelCtrl, 'timezone');
 
-    if (this.dateUtil.isValidDate(value)) {
+    if (this.dateUtil.isValidDate(value) && timezone != null) {
       this.date = this.dateUtil.removeLocalTzAndReparseDate(value);
     } else {
       this.date = value;