DST will begin at 11:00:00 AM, Thursday, Jun 15, 1916. When local clocks are to be set forward by 1 hour.

Asia/Kolkata is a UTC +05:30 timezone offset where as India Standard Time (IST) is a UTC +5:30 timezone offset. Time difference between Asia/Kolkata and India Standard Time (IST) is 0:0 hours ie., ...