Last change: 1991
Sep
15
1 hour Back
Sep 15, 1991, 2:00 am
Daylight Saving Time (DST) Not Observed in Year 2023
Hainan observed China Standard Time (CST) all year.
DST was not in use in 2023.
The previous DST change in Hainan was on September 15, 1991.
Try selecting a different year below.
Daylight Saving Time History in Hainan
Detailed history for Hainan is not available before 1970. Statistics below are based on 1970 onwards.
- Hainan last observed Daylight Saving Time in 1991.
- Hainan has observed DST for 6 years between 1986 and 1991.
- See Worldwide DST Statistics