Time in CST and COST
The time difference between China Standard Time (CST) and Colombia Summer Time (COST) is 12 hours. Colombia Summer Time is 12 hours behind China Standard Time.
This means 9am CST is 9pm COST (previous day) and 5pm CST is 5am COST.
China Standard Time
- The current local time in CST is 8:37 pm (July 18, 2026)
- CST time zone offset is UTC+08:00
Colombia Summer Time
- The current local time in COST is 4:37 pm (July 18, 2026)
- COST time zone offset is UTC-04:00
How to convert China Standard Time to Colombia Summer Time?
Subtract 12 hours from China Standard Time to get Colombia Summer Time.
Time in CST
00:00
Time in COST
00:00
Use the slider above to convert China 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
| CST | COST |
|---|---|
| 12am | 12pm |
| 1am | 1pm |
| 2am | 2pm |
| 3am | 3pm |
| 4am | 4pm |
| 5am | 5pm |
| 6am | 6pm |
| 7am | 7pm |
| 8am | 8pm |
| 9am | 9pm |
| 10am | 10pm |
| 11am | 11pm |
| 12pm | 12am |
| 1pm | 1am |
| 2pm | 2am |
| 3pm | 3am |
| 4pm | 4am |
| 5pm | 5am |
| 6pm | 6am |
| 7pm | 7am |
| 8pm | 8am |
| 9pm | 9am |
| 10pm | 10am |
| 11pm | 11am |