Time in AST and KOST
The time difference between Atlantic Standard Time (AST) and Kosrae Time (KOST) is 15 hours. Kosrae Time is 15 hours ahead of Atlantic Standard Time.
This means 9am AST is 12am KOST (next day) and 5pm AST is 8am KOST (next day).
Atlantic Standard Time
- The current local time in AST is 2:49 pm (July 18, 2026)
- AST time zone offset is UTC-04:00
Kosrae Time
- The current local time in KOST is 9:49 pm (July 18, 2026)
- KOST time zone offset is UTC+11:00
How to convert Atlantic Standard Time to Kosrae Time?
Add 15 hours to Atlantic Standard Time to get Kosrae Time.
Time in AST
00:00
Time in KOST
00:00
Use the slider above to convert Atlantic Standard Time to Kosrae 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 | KOST |
|---|---|
| 12am | 3pm |
| 1am | 4pm |
| 2am | 5pm |
| 3am | 6pm |
| 4am | 7pm |
| 5am | 8pm |
| 6am | 9pm |
| 7am | 10pm |
| 8am | 11pm |
| 9am | 12am |
| 10am | 1am |
| 11am | 2am |
| 12pm | 3am |
| 1pm | 4am |
| 2pm | 5am |
| 3pm | 6am |
| 4pm | 7am |
| 5pm | 8am |
| 6pm | 9am |
| 7pm | 10am |
| 8pm | 11am |
| 9pm | 12pm |
| 10pm | 1pm |
| 11pm | 2pm |