Sep 9, 1991, 3:00 am
| Start DST: | Sunday, March 31, 1991 — No time change due to simultaneous time zone change |
|---|---|
| End DST: | Monday, September 9, 1991 — 1 hour backward |

Mar 31
No change
Mar 31, 1991 - Daylight Saving Time Started
DST started on Sunday, March 31, 1991, 2:00:00 am. However, clocks were not changed because 39°44'47.8"N, 69°13'48.7"E switched time zones at the same time.
Sep 9
Back 1 hour
Sep 9, 1991 - Daylight Saving Time Ended
When local daylight time was about to reach
Monday, September 9, 1991, 3:00:00 am clocks were turned backward 1 hour to
Monday, September 9, 1991, 2:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 9, 1991 than the day before. There was more light in the morning and less light in the evening.
Also called Fall Back and Winter Time.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
| Year | DST Start (Clock Forward) | DST End (Clock Backward) |
|---|---|---|
| 1990 | Sunday, March 25, 2:00 am | Sunday, September 30, 3:00 am |
| 1991 | Sunday, March 31, 2:00 am | Monday, September 9, 3:00 am |
| 1992 — 1999 | DST not observed | |
| All times are local for 39°44'47.8"N, 69°13'48.7"E. | ||
Data for the years before 1970 is not available for 39°44'47.8"N, 69°13'48.7"E, however, we have earlier time zone history for Dushanbe available.
Detailed time zone and clock changes in 39°44'47.8"N, 69°13'48.7"E