Time in COST and CHST
The time difference between Colombia Summer Time (COST) and Chamorro Standard Time (CHST) is 14 hours. Chamorro Standard Time is 14 hours ahead of Colombia Summer Time.
This means 9am COST is 11pm CHST and 5pm COST is 7am CHST (next day).
Colombia Summer Time
- The current local time in COST is 5:34 pm (July 18, 2026)
- COST time zone offset is UTC-04:00
Chamorro Standard Time
- The current local time in CHST is 11:34 pm (July 18, 2026)
- CHST time zone offset is UTC+10:00
How to convert Colombia Summer Time to Chamorro Standard Time?
Add 14 hours to Colombia Summer Time to get Chamorro Standard Time.
Time in COST
00:00
Time in CHST
00:00
Use the slider above to convert Colombia Summer 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
| COST | CHST |
|---|---|
| 12am | 2pm |
| 1am | 3pm |
| 2am | 4pm |
| 3am | 5pm |
| 4am | 6pm |
| 5am | 7pm |
| 6am | 8pm |
| 7am | 9pm |
| 8am | 10pm |
| 9am | 11pm |
| 10am | 12am |
| 11am | 1am |
| 12pm | 2am |
| 1pm | 3am |
| 2pm | 4am |
| 3pm | 5am |
| 4pm | 6am |
| 5pm | 7am |
| 6pm | 8am |
| 7pm | 9am |
| 8pm | 10am |
| 9pm | 11am |
| 10pm | 12pm |
| 11pm | 1pm |