Colombia Time to Greenwich Mean Time
Convert times between Colombia Time (COT, UTC-5:00) and Greenwich Mean Time (GMT, UTC+0:00). Greenwich Mean Time is 5 hours ahead of Colombia Time in standard time. During daylight saving time this difference changes to 6 hours.
UTC-5:00→UTC+0:00 / +1:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Colombia Time | COT | UTC-5:00 | — | Colombia |
| Greenwich Mean Time | GMT / BST | UTC+0:00 | UTC+1:00 | United Kingdom |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (COT → GMT)
| Colombia Time | Greenwich Mean Time |
|---|---|
| 12:00 AM COT | 5:00 AM GMT |
| 6:00 AM COT | 11:00 AM GMT |
| 9:00 AM COT | 2:00 PM GMT |
| 12:00 PM COT | 5:00 PM GMT |
| 3:00 PM COT | 8:00 PM GMT |
| 6:00 PM COT | 11:00 PM GMT |
| 9:00 PM COT | 2:00 AM (next day) GMT |
Summer (DST) Conversion (COT → BST)
| Colombia Time (summer) | Greenwich Mean Time (summer) |
|---|---|
| 12:00 AM COT | 6:00 AM BST |
| 6:00 AM COT | 12:00 PM BST |
| 9:00 AM COT | 3:00 PM BST |
| 12:00 PM COT | 6:00 PM BST |
| 3:00 PM COT | 9:00 PM BST |
| 6:00 PM COT | 12:00 AM (next day) BST |
| 9:00 PM COT | 3:00 AM (next day) BST |
Daylight Saving Time (DST) Notes
- Greenwich Mean Time observes DST. Clocks advance 1 hour to BST (UTC+1:00) roughly from month 3 to 10.
- The offset difference shifts between 5h (standard) and 6h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert COT to GMT?
Add 5 hours to the COT time to get GMT. For example, 9:00 AM COT = 2:00 PM GMT.
What is the current UTC offset for Colombia Time?
Colombia Time is always UTC-5:00 (COT) — it does not observe DST.
Is Greenwich Mean Time ahead or behind Colombia Time?
Greenwich Mean Time is 5 hours ahead of Colombia Time in standard time.
When is a good time to schedule a meeting between COT and GMT?
A good overlap window is around 9:00 AM COT / 2:00 PM GMT, which falls within business hours for both timezones.
Related Timezone Conversions
Colombia Time → Brasília TimeCOT / BRTColombia Time → Argentina TimeCOT / ARTColombia Time → Central European TimeCOT / CETColombia Time → Eastern European TimeCOT / EETColombia Time → Moscow TimeCOT / MSKColombia Time → Turkey TimeCOT / TRTColombia Time → US Eastern TimeCOT / ESTColombia Time → India Standard TimeCOT / IST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.