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Clock Changes in 31°12'46.7"N, 121°23'48.0"E, China 1991

Last change: 1991
Sep
15
1 hour Back

Sep 15, 1991, 2:00 am

Start DST: Sunday, April 14, 1991 — 1 hour forward
End DST: Sunday, September 15, 1991 — 1 hour backward
Location of 31°12'46.7"N, 121°23'48.0"ELocation

Apr 14

Forward 1 hour

Apr 14, 1991 - Daylight Saving Time Started

When local standard time was about to reach
Sunday, April 14, 1991, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 14, 1991, 3:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Apr 14, 1991 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.

Sep 15

Back 1 hour

Sep 15, 1991 - Daylight Saving Time Ended

When local daylight time was about to reach
Sunday, September 15, 1991, 2:00:00 am clocks were turned backward 1 hour to
Sunday, September 15, 1991, 1:00:00 am local standard time instead.

Sunrise and sunset were about 1 hour earlier on Sep 15, 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.

Other years: 1986 | 1987 | 1988 | 1989 | 1990 | 1991 |

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST Start (Clock Forward)DST End (Clock Backward)
1990Sunday, April 15, 2:00 amSunday, September 16, 2:00 am
1991Sunday, April 14, 2:00 amSunday, September 15, 2:00 am
1992 — 1999DST not observed
All times are local for 31°12'46.7"N, 121°23'48.0"E.

Data for the years before 1970 is not available for 31°12'46.7"N, 121°23'48.0"E, however, we have earlier time zone history for Shanghai available.

Detailed time zone and clock changes in 31°12'46.7"N, 121°23'48.0"E