Time in KOST and MART
The time difference between Kosrae Time (KOST) and Marquesas Islands Time (MART) is 20 hours 30 minutes. Marquesas Islands Time is 20 hours 30 minutes behind Kosrae Time.
This means 9am KOST is 12:30pm MART (previous day) and 5pm KOST is 8:30pm MART (previous day).
Kosrae Time
- The current local time in KOST is 4:10 pm (July 12, 2026)
- KOST time zone offset is UTC+11:00
Marquesas Islands Time
- The current local time in MART is 2:40 pm (July 12, 2026)
- MART time zone offset is UTC-09:30
How to convert Kosrae Time to Marquesas Islands Time?
Subtract 20 hours 30 minutes from Kosrae Time to get Marquesas Islands Time.
Time in KOST
00:00
Time in MART
00:00
Use the slider above to convert Kosrae Time to Marquesas Islands 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 | MART |
|---|---|
| 12am | 3:30am |
| 1am | 4:30am |
| 2am | 5:30am |
| 3am | 6:30am |
| 4am | 7:30am |
| 5am | 8:30am |
| 6am | 9:30am |
| 7am | 10:30am |
| 8am | 11:30am |
| 9am | 12:30pm |
| 10am | 1:30pm |
| 11am | 2:30pm |
| 12pm | 3:30pm |
| 1pm | 4:30pm |
| 2pm | 5:30pm |
| 3pm | 6:30pm |
| 4pm | 7:30pm |
| 5pm | 8:30pm |
| 6pm | 9:30pm |
| 7pm | 10:30pm |
| 8pm | 11:30pm |
| 9pm | 0:30am |
| 10pm | 1:30am |
| 11pm | 2:30am |