Greenwich Mean Time to Turkey Time
Convert times between Greenwich Mean Time (GMT, UTC+0:00) and Turkey Time (TRT, UTC+3:00). Turkey Time is 3 hours ahead of Greenwich Mean Time in standard time. During daylight saving time this difference changes to 2 hours.
UTC+0:00 / +1:00→UTC+3:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Greenwich Mean Time | GMT / BST | UTC+0:00 | UTC+1:00 | United Kingdom |
| Turkey Time | TRT | UTC+3:00 | — | Turkey |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (GMT → TRT)
| Greenwich Mean Time | Turkey Time |
|---|---|
| 12:00 AM GMT | 3:00 AM TRT |
| 6:00 AM GMT | 9:00 AM TRT |
| 9:00 AM GMT | 12:00 PM TRT |
| 12:00 PM GMT | 3:00 PM TRT |
| 3:00 PM GMT | 6:00 PM TRT |
| 6:00 PM GMT | 9:00 PM TRT |
| 9:00 PM GMT | 12:00 AM (next day) TRT |
Summer (DST) Conversion (BST → TRT)
| Greenwich Mean Time (summer) | Turkey Time (summer) |
|---|---|
| 12:00 AM BST | 2:00 AM TRT |
| 6:00 AM BST | 8:00 AM TRT |
| 9:00 AM BST | 11:00 AM TRT |
| 12:00 PM BST | 2:00 PM TRT |
| 3:00 PM BST | 5:00 PM TRT |
| 6:00 PM BST | 8:00 PM TRT |
| 9:00 PM BST | 11:00 PM TRT |
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 3h (standard) and 2h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert GMT to TRT?
Add 3 hours to the GMT time to get TRT. For example, 9:00 AM GMT = 12:00 PM TRT.
What is the current UTC offset for Greenwich Mean Time?
Greenwich Mean Time is UTC+0:00 during standard time (GMT) and UTC+1:00 during summer daylight saving time (BST).
Is Turkey Time ahead or behind Greenwich Mean Time?
Turkey Time is 3 hours ahead of Greenwich Mean Time in standard time.
When is a good time to schedule a meeting between GMT and TRT?
A good overlap window is around 9:00 AM GMT / 12:00 PM TRT, which falls within business hours for both timezones.
Related Timezone Conversions
Greenwich Mean Time → Central European TimeGMT / CETGreenwich Mean Time → Eastern European TimeGMT / EETGreenwich Mean Time → Moscow TimeGMT / MSKGreenwich Mean Time → US Eastern TimeGMT / ESTGreenwich Mean Time → India Standard TimeGMT / ISTGreenwich Mean Time → China Standard TimeGMT / CSTGreenwich Mean Time → Japan Standard TimeGMT / JSTGreenwich Mean Time → Australian Eastern TimeGMT / AEST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.