C# DateTime to Javascript timestamp 28-12-2015 17:58:51 C# / Converters 0 Bookmark(s) 219 View(s) public static long ToJavascriptTimestamp(this DateTime input) { var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); var time = input.Subtract(new TimeSpan(epoch.Ticks)); return (long)(time.Ticks / 10000); }