| Current: | IST — India Standard Time |
|---|---|
| Current Offset: | UTC/GMT +5:30 hours |
| Difference: | 9:30 hours ahead of Columbus |
1942 Time Zones - Kolkata
Jan
Feb
Mar
Apr
May
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Sep
Oct
Nov
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The graph above illustrates clock changes in Kolkata during 1942.
Note that Kolkata uses a special half-hour time zone.
Time Changes in Kolkata Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 1925 — 1940 | No changes, UTC +5:30 hours all of the period | |||
| 1941 | Wed, Oct 1 at 12:00 am | IST → +0630 | +1 hour (DST start) | UTC+6:30h |
| 1942 | Fri, May 15 at 12:00 am | +0630 → IST | -1 hour (DST end) | UTC+5:30h |
| Tue, Sep 1 at 12:00 am | IST (not changed) | +1 hour (DST start) | UTC+6:30h | |
| 1943 — 1944 | No changes, UTC +6:30 hours all of the period | |||
| 1945 | Mon, Oct 15 at 12:00 am | IST (not changed) | -1 hour (DST end) | UTC+5:30h |
| 1946 — 1949 | No changes, UTC +5:30 hours all of the period | |||
| * All times are local Kolkata time. | ||||
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Kolkata
India
9:2935am
Monday, May 26, 2025