Time in ULAST and MART
The time difference between Ulaanbaatar Summer Time (ULAST) and Marquesas Islands Time (MART) is 18 hours 30 minutes. Marquesas Islands Time is 18 hours 30 minutes behind Ulaanbaatar Summer Time.
This means 9am ULAST is 2:30pm MART (previous day) and 5pm ULAST is 10:30pm MART (previous day).
Ulaanbaatar Summer Time
- The current local time in ULAST is 7:01 pm (September 2, 2026)
- ULAST time zone offset is UTC+09:00
Marquesas Islands Time
- The current local time in MART is 7:31 pm (September 2, 2026)
- MART time zone offset is UTC-09:30
How to convert Ulaanbaatar Summer Time to Marquesas Islands Time?
Subtract 18 hours 30 minutes from Ulaanbaatar Summer Time to get Marquesas Islands Time.
Time in ULAST
00:00
Time in MART
00:00
Use the slider above to convert Ulaanbaatar Summer Time to Marquesas Islands 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 | MART |
|---|---|
| 12am | 5:30am |
| 1am | 6:30am |
| 2am | 7:30am |
| 3am | 8:30am |
| 4am | 9:30am |
| 5am | 10:30am |
| 6am | 11:30am |
| 7am | 12:30pm |
| 8am | 1:30pm |
| 9am | 2:30pm |
| 10am | 3:30pm |
| 11am | 4:30pm |
| 12pm | 5:30pm |
| 1pm | 6:30pm |
| 2pm | 7:30pm |
| 3pm | 8:30pm |
| 4pm | 9:30pm |
| 5pm | 10:30pm |
| 6pm | 11:30pm |
| 7pm | 0:30am |
| 8pm | 1:30am |
| 9pm | 2:30am |
| 10pm | 3:30am |
| 11pm | 4:30am |