Time in JST and CHST
The time difference between Japan Standard Time (JST) and Chamorro Standard Time (CHST) is 1 hour. Chamorro Standard Time is 1 hour ahead of Japan Standard Time.
This means 9am JST is 10am CHST and 5pm JST is 6pm CHST.
Japan Standard Time
- The current local time in JST is 4:06 am (July 9, 2026)
- JST time zone offset is UTC+09:00
Chamorro Standard Time
- The current local time in CHST is 5:06 am (July 9, 2026)
- CHST time zone offset is UTC+10:00
How to convert Japan Standard Time to Chamorro Standard Time?
Add 1 hour to Japan Standard Time to get Chamorro Standard Time.
Time in JST
00:00
Time in CHST
00:00
Use the slider above to convert Japan Standard Time to Chamorro 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
| JST | CHST |
|---|---|
| 12am | 1am |
| 1am | 2am |
| 2am | 3am |
| 3am | 4am |
| 4am | 5am |
| 5am | 6am |
| 6am | 7am |
| 7am | 8am |
| 8am | 9am |
| 9am | 10am |
| 10am | 11am |
| 11am | 12pm |
| 12pm | 1pm |
| 1pm | 2pm |
| 2pm | 3pm |
| 3pm | 4pm |
| 4pm | 5pm |
| 5pm | 6pm |
| 6pm | 7pm |
| 7pm | 8pm |
| 8pm | 9pm |
| 9pm | 10pm |
| 10pm | 11pm |
| 11pm | 12am |