Time in ULAST and TOT
The time difference between Ulaanbaatar Summer Time (ULAST) and Tonga Time (TOT) is 4 hours. Tonga Time is 4 hours ahead of Ulaanbaatar Summer Time.
This means 9am ULAST is 1pm TOT and 5pm ULAST is 9pm TOT.
Ulaanbaatar Summer Time
- The current local time in ULAST is 5:24 pm (September 2, 2026)
- ULAST time zone offset is UTC+09:00
Tonga Time
- The current local time in TOT is 9:24 pm (September 2, 2026)
- TOT time zone offset is UTC+13:00
How to convert Ulaanbaatar Summer Time to Tonga Time?
Add 4 hours to Ulaanbaatar Summer Time to get Tonga Time.
Time in ULAST
00:00
Time in TOT
00:00
Use the slider above to convert Ulaanbaatar Summer Time to Tonga 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 | TOT |
|---|---|
| 12am | 4am |
| 1am | 5am |
| 2am | 6am |
| 3am | 7am |
| 4am | 8am |
| 5am | 9am |
| 6am | 10am |
| 7am | 11am |
| 8am | 12pm |
| 9am | 1pm |
| 10am | 2pm |
| 11am | 3pm |
| 12pm | 4pm |
| 1pm | 5pm |
| 2pm | 6pm |
| 3pm | 7pm |
| 4pm | 8pm |
| 5pm | 9pm |
| 6pm | 10pm |
| 7pm | 11pm |
| 8pm | 12am |
| 9pm | 1am |
| 10pm | 2am |
| 11pm | 3am |