Sep 15, 1991, 2:00 am
| Start DST: | Sunday, April 13, 1919 — 1 hour forward |
|---|---|
| End DST: | Tuesday, September 30, 1919 — 1 hour backward |
Apr 13
Forward 1 hour
Apr 13, 1919 - Daylight Saving Time Started
When local standard time was about to reach
Sunday, April 13, 1919, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, April 13, 1919, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Apr 13, 1919 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Oct 1
Back 1 hour
Oct 1, 1919 - Daylight Saving Time Ended
When local daylight time was about to reach
Wednesday, October 1, 1919, 12:00:00 midnight clocks were turned backward 1 hour to
Tuesday, September 30, 1919, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Oct 1, 1919 than the day before. There was more light in the morning.
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) |
|---|---|---|
| 1900 — 1918 | DST not observed | |
| 1919 | Sunday, April 13, 12:00 midnight | Wednesday, October 1, 12:00 midnight |
| 1920 — 1924 | DST not observed | |
| All times are local for Shanghai. | ||