Time in WST and COST
The time difference between Western Standard Time (WST) and Colombia Summer Time (COST) is 12 hours. Colombia Summer Time is 12 hours behind Western Standard Time.
This means 9am WST is 9pm COST (previous day) and 5pm WST is 5am COST.
Western Standard Time
- The current local time in WST is 10:18 pm (September 29, 2026)
- WST time zone offset is UTC+08:00
Colombia Summer Time
- The current local time in COST is 6:18 pm (September 29, 2026)
- COST time zone offset is UTC-04:00
How to convert Western Standard Time to Colombia Summer Time?
Subtract 12 hours from Western Standard Time to get Colombia Summer Time.
Time in WST
00:00
Time in COST
00:00
Use the slider above to convert Western 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
| WST | 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 |