Datong keeps UTC+8 (CST) all year. There is no daylight saving time, so the clock never changes.
Datong and your time
Datong at a glance
| Country | China |
|---|---|
| Region | Shanxi |
| Time zone | Asia/Shanghai |
| Abbreviation now | CST |
| UTC offset now | UTC+8 |
| Daylight saving time | Not observed since 1991 |
| Coordinates | 40.09° N, 113.29° E |
Which time zone Datong uses
Datong follows the Asia/Shanghai time zone and stays on UTC+8 all year. Clocks here last changed for daylight saving time in 1991; the tz database lists no change after that.
Although China has 2 different offsets, Datong keeps the same time as Beijing.
Clock changes in Datong, 2026 and 2027
No clock changes are scheduled in Datong for 2026 or 2027.
Datong time compared with major cities
A 9:00 AM start in Datong is 8:00 PM (previous day) in New York, 12:00 PM in Sydney and 5:00 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 13 h behind | 13 h behind | 12 h behind | None |
| Los Angeles (United States) | --:-- | 16 h behind | 16 h behind | 15 h behind | None |
| London (United Kingdom) | --:-- | 8 h behind | 8 h behind | 7 h behind | None |
| Paris (France) | --:-- | 7 h behind | 7 h behind | 6 h behind | 1 h |
| Dubai (United Arab Emirates) | --:-- | 4 h behind | 4 h behind | 4 h behind | 4 h |
| Mumbai (India) | --:-- | 2 h 30 min behind | 2 h 30 min behind | 2 h 30 min behind | 5 h 30 min |
| Singapore | --:-- | Same time | Same time | Same time | 8 h |
| Tokyo (Japan) | --:-- | 1 h ahead | 1 h ahead | 1 h ahead | 7 h |
| Sydney (Australia) | --:-- | 3 h ahead | 3 h ahead | 2 h ahead | 5 h |
| UTC | --:-- | 8 h behind | 8 h behind | 8 h behind | None |
Datong never changes its clocks, but many of these cities do. Where the January and July columns disagree, the gap shifts when the other city moves to or from daylight saving time.
Shared office hours counts the time when the clock reads between 9 AM and 5 PM in both cities on the same day.
Sunrise and sunset in Datong
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Day length in Datong runs from 9 hours 19 minutes at the December solstice to 15 hours 2 minutes at the June solstice. The latest sunset, at 8:00 PM, comes on June 27.
Daylight through the year in Datong
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:31 AM | 6:38 PM | 12 h 7 min |
| June solstice | June 21 | 4:58 AM | 7:59 PM | 15 h 2 min |
| September equinox | September 23 | 6:15 AM | 6:23 PM | 12 h 8 min |
| December solstice | December 22 | 7:46 AM | 5:05 PM | 9 h 19 min |
Clock time and sun time in Datong
Datong lies close to the centre of its time zone, so the sun is highest at about 12:25 PM on standard time, close to clock noon.
Cities near Datong
All the places listed below keep the same time as Datong.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Ulanqab | 101 km (63 mi) | --:-- | Same time |
| Shuozhou | 114 km (71 mi) | --:-- | Same time |
| Zhangjiakou | 154 km (96 mi) | --:-- | Same time |
| Hohhot | 160 km (99 mi) | --:-- | Same time |
| Yuanping | 160 km (99 mi) | --:-- | Same time |
| Zhangjiakou Shi Xuanhua Qu | 161 km (100 mi) | --:-- | Same time |
| Xinzhou | 193 km (120 mi) | --:-- | Same time |
| Dingzhou | 228 km (142 mi) | --:-- | Same time |
More cities in China
All time zones and cities in China
Plan around the time in Datong
- Convert a time to or from Datong: pick a date and time and see it in every city on your list.
- Add Datong to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Datong and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Datong in?
Datong uses the Asia/Shanghai time zone, which is UTC+8 (CST) all year.
Does Datong use daylight saving time?
Not any more. Datong last changed its clocks for daylight saving time in 1991 and now stays on UTC+8 all year.
What is the time difference between Datong and New York?
Datong is 13 hours ahead of New York in January and 12 hours ahead of New York in July, because New York moves its clocks for daylight saving time and Datong does not.
Is Datong on the same time as Beijing?
Yes. Datong and Beijing both use UTC+8 right now.
How long is the longest day in Datong?
About 15 hours 2 minutes, around the June solstice. The shortest day, around the December solstice, has about 9 hours 19 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.