Time in KOST and AST
The time difference between Kosrae Time (KOST) and Atlantic Standard Time (AST) is 15 hours. Atlantic Standard Time is 15 hours behind Kosrae Time.
This means 9am KOST is 6pm AST (previous day) and 5pm KOST is 2am AST.
Kosrae Time
- The current local time in KOST is 4:09 pm (July 12, 2026)
- KOST time zone offset is UTC+11:00
Atlantic Standard Time
- The current local time in AST is 9:09 am (July 12, 2026)
- AST time zone offset is UTC-04:00
How to convert Kosrae Time to Atlantic Standard Time?
Subtract 15 hours from Kosrae Time to get Atlantic Standard Time.
Time in KOST
00:00
Time in AST
00:00
Use the slider above to convert Kosrae Time to Atlantic Standard 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
| KOST | AST |
|---|---|
| 12am | 9am |
| 1am | 10am |
| 2am | 11am |
| 3am | 12pm |
| 4am | 1pm |
| 5am | 2pm |
| 6am | 3pm |
| 7am | 4pm |
| 8am | 5pm |
| 9am | 6pm |
| 10am | 7pm |
| 11am | 8pm |
| 12pm | 9pm |
| 1pm | 10pm |
| 2pm | 11pm |
| 3pm | 12am |
| 4pm | 1am |
| 5pm | 2am |
| 6pm | 3am |
| 7pm | 4am |
| 8pm | 5am |
| 9pm | 6am |
| 10pm | 7am |
| 11pm | 8am |