Last change: 1991
Sep
15
1 hour Back
Sep 15, 1991, 2:00 am
May 1
Forward 1 hour
May 1, 1980 - Time Zone Change (LONT → CST)
When local standard time was about to reach
Thursday, May 1, 1980, 12:00:00 midnight clocks were turned forward 1 hour to
Thursday, May 1, 1980, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour later on May 1, 1980 than the day before. There was more light in the evening and less light in the morning.
Daylight Saving Time History in Yunnan
Detailed history for Yunnan is not available before 1970. Statistics below are based on 1970 onwards.
- Yunnan last observed Daylight Saving Time in 1991.
- Yunnan has observed DST for 6 years between 1986 and 1991.
- See Worldwide DST Statistics