Time in COST and GILT
The time difference between Colombia Summer Time (COST) and Gilbert Island Time (GILT) is 16 hours. Gilbert Island Time is 16 hours ahead of Colombia Summer Time.
This means 9am COST is 1am GILT (next day) and 5pm COST is 9am GILT (next day).
Colombia Summer Time
- The current local time in COST is 5:35 pm (July 18, 2026)
- COST time zone offset is UTC-04:00
Gilbert Island Time
- The current local time in GILT is 1:35 am (July 19, 2026)
- GILT time zone offset is UTC+12:00
How to convert Colombia Summer Time to Gilbert Island Time?
Add 16 hours to Colombia Summer Time to get Gilbert Island Time.
Time in COST
00:00
Time in GILT
00:00
Use the slider above to convert Colombia Summer Time to Gilbert Island 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 | GILT |
|---|---|
| 12am | 4pm |
| 1am | 5pm |
| 2am | 6pm |
| 3am | 7pm |
| 4am | 8pm |
| 5am | 9pm |
| 6am | 10pm |
| 7am | 11pm |
| 8am | 12am |
| 9am | 1am |
| 10am | 2am |
| 11am | 3am |
| 12pm | 4am |
| 1pm | 5am |
| 2pm | 6am |
| 3pm | 7am |
| 4pm | 8am |
| 5pm | 9am |
| 6pm | 10am |
| 7pm | 11am |
| 8pm | 12pm |
| 9pm | 1pm |
| 10pm | 2pm |
| 11pm | 3pm |