Sep 15, 1991, 2:00 am
| Start DST: | Saturday, March 15, 1941 — 1 hour forward |
|---|---|
| End DST: | Saturday, November 1, 1941 — 1 hour backward |
Mar 15
Forward 1 hour
Mar 15, 1941 - Daylight Saving Time Started
When local standard time was about to reach
Saturday, March 15, 1941, 12:00:00 midnight clocks were turned forward 1 hour to
Saturday, March 15, 1941, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Mar 15, 1941 than the day before. There was more light in the evening.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
Nov 2
Back 1 hour
Nov 2, 1941 - Daylight Saving Time Ended
When local daylight time was about to reach
Sunday, November 2, 1941, 12:00:00 midnight clocks were turned backward 1 hour to
Saturday, November 1, 1941, 11:00:00 pm local standard time instead.
Sunrise and sunset were about 1 hour earlier on Nov 2, 1941 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) |
|---|---|---|
| 1925 — 1939 | DST not observed | |
| 1940 | Saturday, June 1, 12:00 midnight | Sunday, October 13, 12:00 midnight |
| 1941 | Saturday, March 15, 12:00 midnight | Sunday, November 2, 12:00 midnight |
| 1942 | Saturday, January 31, 12:00 midnight | No DST End |
| 1943 — 1944 | DST observed all year | |
| 1945 | No DST Start | Sunday, September 2, 12:00 midnight |
| 1946 | Wednesday, May 15, 12:00 midnight | Tuesday, October 1, 12:00 midnight |
| 1947 | Tuesday, April 15, 12:00 midnight | Saturday, November 1, 12:00 midnight |
| 1948 | Saturday, May 1, 12:00 midnight | Friday, October 1, 12:00 midnight |
| 1949 | Sunday, May 1, 12:00 midnight | Saturday, May 28, 12:00 midnight |
| All times are local for Shanghai. | ||