Last change: 1991
Sep
15
1 hour
Back
Sep 15, 1991, 2:00 am
| Start DST: | Saturday, January 31, 1942 — 1 hour forward |
|---|
Jan 31
Forward 1 hour
Jan 31, 1942 - Daylight Saving Time Started
When local standard time was about to reach
Saturday, January 31, 1942, 12:00:00 midnight clocks were turned forward 1 hour to
Saturday, January 31, 1942, 1:00:00 am local daylight time instead.
Sunrise and sunset were about 1 hour later on Jan 31, 1942 than the day before. There was more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings 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. | ||