Dien Bien Phu keeps UTC+7 all year. There is no daylight saving time, so the clock never changes.
Dien Bien Phu and your time
Dien Bien Phu at a glance
| Country | Vietnam |
|---|---|
| Region | Điện Biên Province |
| Time zone | Asia/Ho_Chi_Minh |
| UTC offset now | UTC+7 |
| Daylight saving time | Not observed |
| Coordinates | 21.39° N, 103.02° E |
Dien Bien Phu time zone and clock changes
Dien Bien Phu follows the Asia/Ho_Chi_Minh time zone and stays on UTC+7 all year. The tz database records no daylight saving time here since 1970.
Dien Bien Phu is on the same time as the rest of Vietnam, including the capital, Hanoi.
Clock changes in Dien Bien Phu, 2026 and 2027
No clock changes are scheduled in Dien Bien Phu for 2026 or 2027.
Time difference between Dien Bien Phu and other cities
Take 9:00 AM in Dien Bien Phu: the clock reads 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 |
Dien Bien Phu 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 Dien Bien Phu
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Being in the tropics, Dien Bien Phu sees little change in day length: the longest day (13 hours 26 minutes) is only 2 hours 36 minutes longer than the shortest (10 hours 50 minutes). Sunrise stays between 5:25 AM and 6:48 AM all year.
Daylight through the year in Dien Bien Phu
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:12 AM | 6:19 PM | 12 h 7 min |
| June solstice | June 21 | 5:27 AM | 6:53 PM | 13 h 26 min |
| September equinox | September 23 | 5:57 AM | 6:04 PM | 12 h 7 min |
| December solstice | December 22 | 6:41 AM | 5:31 PM | 10 h 50 min |
When the sun is highest in Dien Bien Phu
Clock time and sun time line up fairly well in Dien Bien Phu: solar noon falls at about 12:10 PM on standard time.
Places close to Dien Bien Phu
| City | Distance | Time now | Difference |
|---|---|---|---|
| Thuận Châu | 69 km (43 mi) | --:-- | Same time |
| Sơn La | 93 km (58 mi) | --:-- | Same time |
| Lai Chau | 121 km (75 mi) | --:-- | Same time |
| Nghĩa Lộ | 156 km (97 mi) | --:-- | Same time |
| Lao Cai | 157 km (97 mi) | --:-- | Same time |
| Yên Bái | 199 km (124 mi) | --:-- | Same time |
| Gejiu (China) | 220 km (137 mi) | --:-- | 1 h ahead |
| Mengzi (China) | 223 km (139 mi) | --:-- | 1 h ahead |
More cities in Vietnam
All time zones and cities in Vietnam
Plan around the time in Dien Bien Phu
- Convert a time to or from Dien Bien Phu: pick a date and time and see it in every city on your list.
- Add Dien Bien Phu to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Dien Bien Phu and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Dien Bien Phu in?
Dien Bien Phu uses the Asia/Ho_Chi_Minh time zone, which is UTC+7 all year.
Does Dien Bien Phu use daylight saving time?
No. Dien Bien Phu stays on UTC+7 all year, so the time difference to places without daylight saving time never changes.
What is the time difference between Dien Bien Phu and New York?
Dien Bien Phu 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 Dien Bien Phu does not.
Is Dien Bien Phu on the same time as Hanoi?
Yes. Dien Bien Phu and Hanoi both use UTC+7 right now.
How long is the longest day in Dien Bien Phu?
About 13 hours 26 minutes, around the June solstice. The shortest day, around the December solstice, has about 10 hours 50 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.