Time in COST and HST
The time difference between Colombia Summer Time (COST) and Hawaii–Aleutian Standard Time (HST) is 6 hours. Hawaii–Aleutian Standard Time is 6 hours behind Colombia Summer Time.
This means 9am COST is 3am HST and 5pm COST is 11am HST.
Colombia Summer Time
- The current local time in COST is 6:24 pm (July 18, 2026)
- COST time zone offset is UTC-04:00
Hawaii–Aleutian Standard Time
- The current local time in HST is 12:24 am (July 19, 2026)
- HST time zone offset is UTC-10:00
How to convert Colombia Summer Time to Hawaii–Aleutian Standard Time?
Subtract 6 hours from Colombia Summer Time to get Hawaii–Aleutian Standard Time.
Time in COST
00:00
Time in HST
00:00
Use the slider above to convert Colombia Summer Time to Hawaii–Aleutian 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 | HST |
|---|---|
| 12am | 6pm |
| 1am | 7pm |
| 2am | 8pm |
| 3am | 9pm |
| 4am | 10pm |
| 5am | 11pm |
| 6am | 12am |
| 7am | 1am |
| 8am | 2am |
| 9am | 3am |
| 10am | 4am |
| 11am | 5am |
| 12pm | 6am |
| 1pm | 7am |
| 2pm | 8am |
| 3pm | 9am |
| 4pm | 10am |
| 5pm | 11am |
| 6pm | 12pm |
| 7pm | 1pm |
| 8pm | 2pm |
| 9pm | 3pm |
| 10pm | 4pm |
| 11pm | 5pm |