From f7799a1d216ddda62a8b156d9846ff65aa115533 Mon Sep 17 00:00:00 2001
From: Sami Samhuri <sami@samhuri.net>
Date: Wed, 4 Mar 2015 09:14:58 -0800
Subject: [PATCH] correct fuzzy interpretation of old years by new Date()

---
 strftime.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/strftime.js b/strftime.js
index 6845863..1d06d10 100644
--- a/strftime.js
+++ b/strftime.js
@@ -280,14 +280,22 @@
   }
 
     function dateToUTC(d) {
-      return new Date(
-        d.getUTCFullYear(),
+      var year = d.getUTCFullYear();
+      var date = new Date(
+        year,
         d.getUTCMonth(),
         d.getUTCDate(),
         d.getUTCHours(),
         d.getUTCMinutes(),
         d.getUTCSeconds(),
-        d.getUTCMilliseconds());
+        d.getUTCMilliseconds()
+      );
+      // In old dates, years is incorrectly interpreted as a 2-digit year with base 1900.
+      // Correct this by setting the year explicitly after the fuzzy creation process.
+      if (date.getFullYear() != year) {
+        date.setFullYear(year);
+      }
+      return date;
     }
 
   var RequiredDateMethods = ['getTime', 'getTimezoneOffset', 'getDay', 'getDate', 'getMonth', 'getFullYear', 'getYear', 'getHours', 'getMinutes', 'getSeconds'];