Time in ULAST and UYST
The time difference between Ulaanbaatar Summer Time (ULAST) and Uruguay Summer Time (UYST) is 11 hours. Uruguay Summer Time is 11 hours behind Ulaanbaatar Summer Time.
This means 9am ULAST is 10pm UYST (previous day) and 5pm ULAST is 6am UYST.
Ulaanbaatar Summer Time
- The current local time in ULAST is 3:45 pm (September 2, 2026)
- ULAST time zone offset is UTC+09:00
Uruguay Summer Time
- The current local time in UYST is 8:45 am (September 2, 2026)
- UYST time zone offset is UTC-02:00
How to convert Ulaanbaatar Summer Time to Uruguay Summer Time?
Subtract 11 hours from Ulaanbaatar Summer Time to get Uruguay Summer Time.
Time in ULAST
00:00
Time in UYST
00:00
Use the slider above to convert Ulaanbaatar Summer Time to Uruguay 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
| ULAST | UYST |
|---|---|
| 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 |