Rui'an keeps UTC+8 (CST) all year. There is no daylight saving time, so the clock never changes.
Rui'an and your time
Rui'an at a glance
| Country | China |
|---|---|
| Region | Zhejiang |
| Time zone | Asia/Shanghai |
| Abbreviation now | CST |
| UTC offset now | UTC+8 |
| Daylight saving time | Not observed since 1991 |
| Coordinates | 27.78° N, 120.66° E |
Time zone in Rui'an
Rui'an 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.
China spans 2 offsets. Rui'an shares its time with the capital, Beijing.
Clock changes in Rui'an, 2026 and 2027
No clock changes are scheduled in Rui'an for 2026 or 2027.
How far ahead or behind Rui'an is
A 9:00 AM start in Rui'an 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 |
Because Rui'an keeps one offset all year, any change in the gap comes from the other city’s daylight saving time. Compare the January and July columns.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise and sunset in Rui'an
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Day length in Rui'an runs from 10 hours 23 minutes at the December solstice to 13 hours 54 minutes at the June solstice. The latest sunset, at 6:57 PM, comes on July 1.
Daylight through the year in Rui'an
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:02 AM | 6:08 PM | 12 h 7 min |
| June solstice | June 21 | 5:02 AM | 6:56 PM | 13 h 54 min |
| September equinox | September 23 | 5:46 AM | 5:53 PM | 12 h 7 min |
| December solstice | December 22 | 6:44 AM | 5:07 PM | 10 h 23 min |
Clock time and sun time in Rui'an
Clock time and sun time line up fairly well in Rui'an: solar noon falls at about 11:55 AM on standard time.
Places close to Rui'an
All the places listed below keep the same time as Rui'an.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Wenzhou | 25 km (15 mi) | --:-- | Same time |
| Fuding | 66 km (41 mi) | --:-- | Same time |
| Lishui | 106 km (66 mi) | --:-- | Same time |
| Songcheng Subdistrict | 119 km (74 mi) | --:-- | Same time |
| Taizhou | 124 km (77 mi) | --:-- | Same time |
| Fu’an | 126 km (78 mi) | --:-- | Same time |
| Guli | 137 km (85 mi) | --:-- | Same time |
| Ningde | 167 km (104 mi) | --:-- | Same time |
More cities in China
All time zones and cities in China
Tools for time in Rui'an
- Convert a time to or from Rui'an: pick a date and time and see it in every city on your list.
- Add Rui'an to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Rui'an and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Rui'an in?
Rui'an uses the Asia/Shanghai time zone, which is UTC+8 (CST) all year.
Does Rui'an use daylight saving time?
Not any more. Rui'an last changed its clocks for daylight saving time in 1991 and now stays on UTC+8 all year.
What is the time difference between Rui'an and New York?
Rui'an 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 Rui'an does not.
Is Rui'an on the same time as Beijing?
Yes. Rui'an and Beijing both use UTC+8 right now.
How long is the longest day in Rui'an?
About 13 hours 54 minutes, around the June solstice. The shortest day, around the December solstice, has about 10 hours 23 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.