Time in ULAST and AST
The time difference between Ulaanbaatar Summer Time (ULAST) and Atlantic Standard Time (AST) is 13 hours. Atlantic Standard Time is 13 hours behind Ulaanbaatar Summer Time.
This means 9am ULAST is 8pm AST (previous day) and 5pm ULAST is 4am AST.
Ulaanbaatar Summer Time
- The current local time in ULAST is 10:18 pm (July 18, 2026)
- ULAST time zone offset is UTC+09:00
Atlantic Standard Time
- The current local time in AST is 5:18 pm (July 18, 2026)
- AST time zone offset is UTC-04:00
How to convert Ulaanbaatar Summer Time to Atlantic Standard Time?
Subtract 13 hours from Ulaanbaatar Summer Time to get Atlantic Standard Time.
Time in ULAST
00:00
Time in AST
00:00
Use the slider above to convert Ulaanbaatar Summer Time to Atlantic Standard 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
| ULAST | AST |
|---|---|
| 12am | 11am |
| 1am | 12pm |
| 2am | 1pm |
| 3am | 2pm |
| 4am | 3pm |
| 5am | 4pm |
| 6am | 5pm |
| 7am | 6pm |
| 8am | 7pm |
| 9am | 8pm |
| 10am | 9pm |
| 11am | 10pm |
| 12pm | 11pm |
| 1pm | 12am |
| 2pm | 1am |
| 3pm | 2am |
| 4pm | 3am |
| 5pm | 4am |
| 6pm | 5am |
| 7pm | 6am |
| 8pm | 7am |
| 9pm | 8am |
| 10pm | 9am |
| 11pm | 10am |