Time in CHST and COST
The time difference between Chamorro Standard Time (CHST) and Colombia Summer Time (COST) is 14 hours. Colombia Summer Time is 14 hours behind Chamorro Standard Time.
This means 9am CHST is 7pm COST (previous day) and 5pm CHST is 3am COST.
Chamorro Standard Time
- The current local time in CHST is 7:01 am (July 9, 2026)
- CHST time zone offset is UTC+10:00
Colombia Summer Time
- The current local time in COST is 1:01 am (July 9, 2026)
- COST time zone offset is UTC-04:00
How to convert Chamorro Standard Time to Colombia Summer Time?
Subtract 14 hours from Chamorro Standard Time to get Colombia Summer Time.
Time in CHST
00:00
Time in COST
00:00
Use the slider above to convert Chamorro Standard Time to Colombia Summer 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
| CHST | COST |
|---|---|
| 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 |