Time in IST and KOST
The time difference between Irish Standard Time (IST) and Kosrae Time (KOST) is 10 hours. Kosrae Time is 10 hours ahead of Irish Standard Time.
This means 9am IST is 7pm KOST and 5pm IST is 3am KOST (next day).
Irish Standard Time
- The current local time in IST is 2:38 pm (July 18, 2026)
- IST time zone offset is UTC+01:00
Kosrae Time
- The current local time in KOST is 12:38 am (July 19, 2026)
- KOST time zone offset is UTC+11:00
How to convert Irish Standard Time to Kosrae Time?
Add 10 hours to Irish Standard Time to get Kosrae Time.
Time in IST
00:00
Time in KOST
00:00
Use the slider above to convert Irish 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
| IST | KOST |
|---|---|
| 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 | 12am |
| 3pm | 1am |
| 4pm | 2am |
| 5pm | 3am |
| 6pm | 4am |
| 7pm | 5am |
| 8pm | 6am |
| 9pm | 7am |
| 10pm | 8am |
| 11pm | 9am |