Don't apply DST offset in parseISO when parsing date, fixes #1449

date-fns · Sep 26, 2019 · 751aba0 · 751aba0
1 parent 812c340
commit 751aba0
Showing 1 changed file with 9 additions and 7 deletions.
diff --git 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
+      }
     }
   }