Time in ACST and ULAST
The time difference between Australian Central Standard Time (ACST) and Ulaanbaatar Summer Time (ULAST) is 30 minutes. Ulaanbaatar Summer Time is 30 minutes behind Australian Central Standard Time.
This means 9am ACST is 8:30am ULAST and 5pm ACST is 4:30pm ULAST.
Australian Central Standard Time
- The current local time in ACST is 10:41 pm (July 18, 2026)
- ACST time zone offset is UTC+09:30
Ulaanbaatar Summer Time
- The current local time in ULAST is 10:11 pm (July 18, 2026)
- ULAST time zone offset is UTC+09:00
How to convert Australian Central Standard Time to Ulaanbaatar Summer Time?
Subtract 30 minutes from Australian Central Standard Time to get Ulaanbaatar Summer Time.
Time in ACST
00:00
Time in ULAST
00:00
Use the slider above to convert Australian Central 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
| ACST | ULAST |
|---|---|
| 12am | 11:30pm |
| 1am | 0:30am |
| 2am | 1:30am |
| 3am | 2:30am |
| 4am | 3:30am |
| 5am | 4:30am |
| 6am | 5:30am |
| 7am | 6:30am |
| 8am | 7:30am |
| 9am | 8:30am |
| 10am | 9:30am |
| 11am | 10:30am |
| 12pm | 11:30am |
| 1pm | 12:30pm |
| 2pm | 1:30pm |
| 3pm | 2:30pm |
| 4pm | 3:30pm |
| 5pm | 4:30pm |
| 6pm | 5:30pm |
| 7pm | 6:30pm |
| 8pm | 7:30pm |
| 9pm | 8:30pm |
| 10pm | 9:30pm |
| 11pm | 10:30pm |