Sep 24, 2016, 12:00 midnight
| Start DST: | Sunday, March 31, 1991 — 1 hour forward |
|---|---|
| End DST: | Saturday, September 28, 1991 — 1 hour backward |
Mar 31
Forward 1 hour
Mar 31, 1991 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, March 31, 1991, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, March 31, 1991, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 31, 1991 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
More info:
Mongolia Abolishes Daylight Saving Time
Sep 29
Back 1 hour
Sep 29, 1991 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, September 29, 1991, 12:00:00 midnight clocks were turned backward 1 hour to
Saturday, September 28, 1991, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Sep 29, 1991 than the day before. There was more light in the morning.
Also called Fall Back and Winter Time.
More info:
Mongolia Abolishes Daylight Saving Time
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.