Time in AST and CHOST
The time difference between Atlantic Standard Time (AST) and Choibalsan Summer Time (CHOST) is 13 hours. Choibalsan Summer Time is 13 hours ahead of Atlantic Standard Time.
This means 9am AST is 10pm CHOST and 5pm AST is 6am CHOST (next day).
Atlantic Standard Time
- The current local time in AST is 2:48 pm (July 18, 2026)
- AST time zone offset is UTC-04:00
Choibalsan Summer Time
- The current local time in CHOST is 7:48 pm (July 18, 2026)
- CHOST time zone offset is UTC+09:00
How to convert Atlantic Standard Time to Choibalsan Summer Time?
Add 13 hours to Atlantic Standard Time to get Choibalsan Summer Time.
Time in AST
00:00
Time in CHOST
00:00
Use the slider above to convert Atlantic Standard Time to Choibalsan 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
| AST | CHOST |
|---|---|
| 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 |