Time in AST and ULAST
The time difference between Atlantic Standard Time (AST) and Ulaanbaatar Summer Time (ULAST) is 13 hours. Ulaanbaatar Summer Time is 13 hours ahead of Atlantic Standard Time.
This means 9am AST is 10pm ULAST and 5pm AST is 6am ULAST (next day).
Atlantic Standard Time
- The current local time in AST is 2:49 pm (July 18, 2026)
- AST time zone offset is UTC-04:00
Ulaanbaatar Summer Time
- The current local time in ULAST is 7:49 pm (July 18, 2026)
- ULAST time zone offset is UTC+09:00
How to convert Atlantic Standard Time to Ulaanbaatar Summer Time?
Add 13 hours to Atlantic Standard Time to get Ulaanbaatar Summer Time.
Time in AST
00:00
Time in ULAST
00:00
Use the slider above to convert Atlantic Standard Time to Ulaanbaatar Summer Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| AST | ULAST |
|---|---|
| 12am | 1pm |
| 1am | 2pm |
| 2am | 3pm |
| 3am | 4pm |
| 4am | 5pm |
| 5am | 6pm |
| 6am | 7pm |
| 7am | 8pm |
| 8am | 9pm |
| 9am | 10pm |
| 10am | 11pm |
| 11am | 12am |
| 12pm | 1am |
| 1pm | 2am |
| 2pm | 3am |
| 3pm | 4am |
| 4pm | 5am |
| 5pm | 6am |
| 6pm | 7am |
| 7pm | 8am |
| 8pm | 9am |
| 9pm | 10am |
| 10pm | 11am |
| 11pm | 12pm |