Móng Cái keeps UTC+7 all year. There is no daylight saving time, so the clock never changes.
Móng Cái and your time
Móng Cái at a glance
| Country | Vietnam |
|---|---|
| Region | Quảng Ninh |
| Time zone | Asia/Ho_Chi_Minh |
| UTC offset now | UTC+7 |
| Daylight saving time | Not observed |
| Coordinates | 21.52° N, 107.97° E |
Móng Cái time zone and clock changes
Local time in Móng Cái is UTC+7 year round, under the Asia/Ho_Chi_Minh rules. Clocks have not changed for the seasons here since at least 1970.
Móng Cái is on the same time as the rest of Vietnam, including the capital, Hanoi.
Clock changes in Móng Cái, 2026 and 2027
No clock changes are scheduled in Móng Cái for 2026 or 2027.
Móng Cái time compared with major cities
When it is 9:00 AM in Móng Cái, it is 9:00 PM (previous day) in New York, 1:00 PM in Sydney and 6:00 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 12 h behind | 12 h behind | 11 h behind | None |
| Los Angeles (United States) | --:-- | 15 h behind | 15 h behind | 14 h behind | None |
| London (United Kingdom) | --:-- | 7 h behind | 7 h behind | 6 h behind | 1 h |
| Paris (France) | --:-- | 6 h behind | 6 h behind | 5 h behind | 2 h |
| Dubai (United Arab Emirates) | --:-- | 3 h behind | 3 h behind | 3 h behind | 5 h |
| Mumbai (India) | --:-- | 1 h 30 min behind | 1 h 30 min behind | 1 h 30 min behind | 6 h 30 min |
| Singapore | --:-- | 1 h ahead | 1 h ahead | 1 h ahead | 7 h |
| Tokyo (Japan) | --:-- | 2 h ahead | 2 h ahead | 2 h ahead | 6 h |
| Sydney (Australia) | --:-- | 4 h ahead | 4 h ahead | 3 h ahead | 4 h |
| UTC | --:-- | 7 h behind | 7 h behind | 7 h behind | 1 h |
Móng Cái 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 Móng Cái
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Day length barely moves in Móng Cái, from 10 hours 49 minutes to 13 hours 27 minutes. Sunrise and sunset shift by less than an hour across the year.
Daylight through the year in Móng Cái
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 5:53 AM | 5:59 PM | 12 h 7 min |
| June solstice | June 21 | 5:06 AM | 6:33 PM | 13 h 27 min |
| September equinox | September 23 | 5:37 AM | 5:44 PM | 12 h 7 min |
| December solstice | December 22 | 6:22 AM | 5:11 PM | 10 h 49 min |
When the sun is highest in Móng Cái
Móng Cái lies close to the centre of its time zone, so the sun is highest at about 11:50 AM on standard time, close to clock noon.
Cities near Móng Cái
Distance is not the same as time: Dongxing (China) lies just 3 km (2 mi) away, yet its clock is 1 hour ahead of Móng Cái.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Dongxing (China) | 3 km (2 mi) | --:-- | 1 h ahead |
| Fangchenggang (China) | 49 km (30 mi) | --:-- | 1 h ahead |
| Qinzhou (China) | 87 km (54 mi) | --:-- | 1 h ahead |
| Cẩm Phả | 92 km (57 mi) | --:-- | Same time |
| Ha Long | 112 km (70 mi) | --:-- | Same time |
| Chongzuo (China) | 113 km (71 mi) | --:-- | 1 h ahead |
| Beihai (China) | 119 km (74 mi) | --:-- | 1 h ahead |
| Hepu (China) | 128 km (80 mi) | --:-- | 1 h ahead |
More cities in Vietnam
All time zones and cities in Vietnam
Tools for time in Móng Cái
- Convert a time to or from Móng Cái: pick a date and time and see it in every city on your list.
- Add Móng Cái to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Móng Cái and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Móng Cái in?
Móng Cái uses the Asia/Ho_Chi_Minh time zone, which is UTC+7 all year.
Does Móng Cái use daylight saving time?
No. Móng Cái stays on UTC+7 all year, so the time difference to places without daylight saving time never changes.
What is the time difference between Móng Cái and New York?
Móng Cái is 12 hours ahead of New York in January and 11 hours ahead of New York in July, because New York moves its clocks for daylight saving time and Móng Cái does not.
Is Móng Cái on the same time as Hanoi?
Yes. Móng Cái and Hanoi both use UTC+7 right now.
How long is the longest day in Móng Cái?
About 13 hours 27 minutes, around the June solstice. The shortest day, around the December solstice, has about 10 hours 49 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.