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Clock Changes in Zhengzhou, Henan, China 1990

Last change: 1991
Sep
15
1 hour Back

Sep 15, 1991, 2:00 am

Start DST: Sunday, April 15, 1990 — 1 hour forward
End DST: Sunday, September 16, 1990 — 1 hour backward
Location of ZhengzhouLocation

Apr 15

Forward 1 hour

Apr 15, 1990 - Daylight Saving Time Started

When local standard time was about to reach
Sunday, April 15, 1990, 2:00:00 am clocks were turned forward 1 hour to
Sunday, April 15, 1990, 3:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Apr 15, 1990 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 16

Back 1 hour

Sep 16, 1990 - Daylight Saving Time Ended

When local daylight time was about to reach
Sunday, September 16, 1990, 2:00:00 am clocks were turned backward 1 hour to
Sunday, September 16, 1990, 1:00:00 am local standard time instead.

Sunrise and sunset were about 1 hour earlier on Sep 16, 1990 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 Zhengzhou.

Data for the years before 1970 is not available for Zhengzhou, however, we have earlier time zone history for Shanghai available.

Detailed time zone and clock changes in Zhengzhou