Time in CHADT and COST
The time difference between Chatham Daylight Time (CHADT) and Colombia Summer Time (COST) is 17 hours 45 minutes. Colombia Summer Time is 17 hours 45 minutes behind Chatham Daylight Time.
This means 9am CHADT is 3:15pm COST (previous day) and 5pm CHADT is 11:15pm COST (previous day).
Chatham Daylight Time
- The current local time in CHADT is 2:15 am (July 19, 2026)
- CHADT time zone offset is UTC+13:45
Colombia Summer Time
- The current local time in COST is 4:30 pm (July 18, 2026)
- COST time zone offset is UTC-04:00
How to convert Chatham Daylight Time to Colombia Summer Time?
Subtract 17 hours 45 minutes from Chatham Daylight Time to get Colombia Summer Time.
Time in CHADT
00:00
Time in COST
00:00
Use the slider above to convert Chatham Daylight 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
| CHADT | COST |
|---|---|
| 12am | 6:15am |
| 1am | 7:15am |
| 2am | 8:15am |
| 3am | 9:15am |
| 4am | 10:15am |
| 5am | 11:15am |
| 6am | 12:15pm |
| 7am | 1:15pm |
| 8am | 2:15pm |
| 9am | 3:15pm |
| 10am | 4:15pm |
| 11am | 5:15pm |
| 12pm | 6:15pm |
| 1pm | 7:15pm |
| 2pm | 8:15pm |
| 3pm | 9:15pm |
| 4pm | 10:15pm |
| 5pm | 11:15pm |
| 6pm | 0:15am |
| 7pm | 1:15am |
| 8pm | 2:15am |
| 9pm | 3:15am |
| 10pm | 4:15am |
| 11pm | 5:15am |