From 751aba0fb7d746b5f14f7263455057ac78b36674 Mon Sep 17 00:00:00 2001
From: Konstantin Alekseev <mail@kalekseev.com>
Date: Thu, 26 Sep 2019 14:16:23 +0300
Subject: [PATCH] Don't apply DST offset in parseISO when parsing date, fixes
 #1449

---
 src/parseISO/index.js | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/parseISO/index.js b/src/parseISO/index.js
index 4dc11edafa..cc1736e2da 100644
--- a/src/parseISO/index.js
+++ b/src/parseISO/index.js
@@ -136,13 +136,15 @@ export default function parseISO(argument, dirtyOptions) {
 
     offset = getTimezoneOffsetInMilliseconds(fullTimeDate)
 
-    // Adjust time when it's coming from DST
-    var fullTimeDateNextDay = new Date(fullTime)
-    fullTimeDateNextDay.setDate(fullTimeDate.getDate() + 1)
-    var offsetDiff =
-      getTimezoneOffsetInMilliseconds(fullTimeDateNextDay) - offset
-    if (offsetDiff > 0) {
-      offset += offsetDiff
+    if (dateStrings.time) {
+      // Adjust time when it's coming from DST
+      var fullTimeDateNextDay = new Date(fullTime)
+      fullTimeDateNextDay.setDate(fullTimeDate.getDate() + 1)
+      var offsetDiff =
+        getTimezoneOffsetInMilliseconds(fullTimeDateNextDay) - offset
+      if (offsetDiff > 0) {
+        offset += offsetDiff
+      }
     }
   }