Ulaanbaatar runs on UTC+8 every day of the year, with no daylight saving time.
Ulaanbaatar and your time
Ulaanbaatar at a glance
| Country | Mongolia |
|---|---|
| Region | Ulaanbaatar |
| Capital of | Mongolia |
| Time zone | Asia/Ulaanbaatar |
| UTC offset now | UTC+8 |
| Daylight saving time | Not observed since 2016 |
| Coordinates | 47.91° N, 106.88° E |
Ulaanbaatar time zone and clock changes
The clocks in Ulaanbaatar follow Asia/Ulaanbaatar and do not move with the seasons. The last daylight saving period here was in 2016. Since then the offset has stayed at UTC+8.
Ulaanbaatar is the capital of Mongolia, which uses 2 different offsets. Official dates and deadlines are often given in capital time, so check which zone a notice means.
Clock changes in Ulaanbaatar, 2026 and 2027
No clock changes are scheduled in Ulaanbaatar for 2026 or 2027.
Ulaanbaatar time compared with major cities
When it is 9:00 AM in Ulaanbaatar, it 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 |
Ulaanbaatar 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 Ulaanbaatar
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
The earliest sunrise in Ulaanbaatar is at 4:53 AM on June 16, and the latest sunset at 8:56 PM on June 26.
Daylight through the year in Ulaanbaatar
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:56 AM | 7:05 PM | 12 h 8 min |
| June solstice | June 21 | 4:53 AM | 8:55 PM | 16 h 2 min |
| September equinox | September 23 | 6:40 AM | 6:49 PM | 12 h 9 min |
| December solstice | December 22 | 8:39 AM | 5:02 PM | 8 h 23 min |
Clock time and sun time in Ulaanbaatar
Ulaanbaatar sits well west of the centre of its time zone. On average the sun reaches its highest point at about 12:50 PM on standard time, not at 12:00. Mornings stay dark longer and evenings stay light later than the clock suggests.
Places close to Ulaanbaatar
| City | Distance | Time now | Difference |
|---|---|---|---|
| Ulan-Ude (Russia) | 439 km (273 mi) | --:-- | Same time |
| Irkutsk (Russia) | 522 km (324 mi) | --:-- | Same time |
| Angarsk (Russia) | 559 km (347 mi) | --:-- | Same time |
| Chita (Russia) | 659 km (409 mi) | --:-- | 1 h ahead |
| Bayan Nur (China) | 798 km (496 mi) | --:-- | Same time |
Plan around the time in Ulaanbaatar
- Convert a time to or from Ulaanbaatar: pick a date and time and see it in every city on your list.
- Add Ulaanbaatar to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Ulaanbaatar and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Ulaanbaatar in?
Ulaanbaatar uses the Asia/Ulaanbaatar time zone, which is UTC+8 all year.
Does Ulaanbaatar use daylight saving time?
Not any more. Ulaanbaatar last changed its clocks for daylight saving time in 2016 and now stays on UTC+8 all year.
What is the time difference between Ulaanbaatar and New York?
Ulaanbaatar 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 Ulaanbaatar does not.
How long is the longest day in Ulaanbaatar?
About 16 hours 2 minutes, around the June solstice. The shortest day, around the December solstice, has about 8 hours 23 minutes of daylight.
Why is the sun not highest at noon in Ulaanbaatar?
Clock time follows the time zone, not the sun. Ulaanbaatar lies west of the line its offset is based on, so solar noon comes at about 12:50 PM on standard time.
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.