| Current: | IST — India Standard Time |
|---|---|
| Current Offset: | UTC/GMT +5:30 hours |
| Difference: | 9:30 hours ahead of Columbus |
1906 Time Zones - Kolkata
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in Kolkata during 1906.
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 |
|---|---|---|---|---|
| 1900 — 1905 | No changes, UTC +5:21:10 hours all of the period | |||
| 1906 | Mon, Jan 1 at 12:00 am | MMT → IST | +0:08:50 hours (TZ change) | UTC+5:30h |
| 1907 — 1924 | No changes, UTC +5:30 hours all of the period | |||
| * All times are local Kolkata time. | ||||
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Kolkata
India
7:50
08
pm
Saturday, March 21, 2026