Time in COST and OMST
The time difference between Colombia Summer Time (COST) and Omsk Time (OMST) is 10 hours. Omsk Time is 10 hours ahead of Colombia Summer Time.
This means 9am COST is 7pm OMST and 5pm COST is 3am OMST (next day).
Colombia Summer Time
- The current local time in COST is 6:23 pm (July 18, 2026)
- COST time zone offset is UTC-04:00
Omsk Time
- The current local time in OMST is 8:23 pm (July 18, 2026)
- OMST time zone offset is UTC+06:00
How to convert Colombia Summer Time to Omsk Time?
Add 10 hours to Colombia Summer Time to get Omsk Time.
Time in COST
00:00
Time in OMST
00:00
Use the slider above to convert Colombia Summer Time to Omsk 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 | OMST |
|---|---|
| 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 |