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Convert Greenwich Mean Time (GMT) to Coordinated Universal Time (UTC, UTC+0) with our professional time zone converter. Designed for international business meetings between London to Global, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling. Perfect for international business coordination, global team management, and cross-border communication. No registration required - works instantly on all devices with offline capability.
Greenwich Mean Time and Coordinated Universal Time are in the same time zone
Complete hourly conversion for Greenwich Mean Time to Coordinated Universal Time
| Greenwich Mean Time | Coordinated Universal Time | 24-Hour GMT | 24-Hour UTC |
|---|---|---|---|
| 12:00 AM | 12:00 AM | 00:00 | 00:00 |
| 1:00 AM | 1:00 AM | 01:00 | 01:00 |
| 2:00 AM | 2:00 AM | 02:00 | 02:00 |
| 3:00 AM | 3:00 AM | 03:00 | 03:00 |
| 4:00 AM | 4:00 AM | 04:00 | 04:00 |
| 5:00 AM | 5:00 AM | 05:00 | 05:00 |
| 6:00 AM | 6:00 AM | 06:00 | 06:00 |
| 7:00 AM | 7:00 AM | 07:00 | 07:00 |
| 8:00 AM | 8:00 AM | 08:00 | 08:00 |
| 9:00 AM | 9:00 AM | 09:00 | 09:00 |
| 10:00 AM | 10:00 AM | 10:00 | 10:00 |
| 11:00 AM | 11:00 AM | 11:00 | 11:00 |
| 12:00 PM | 12:00 PM | 12:00 | 12:00 |
| 1:00 PM | 1:00 PM | 13:00 | 13:00 |
| 2:00 PM | 2:00 PM | 14:00 | 14:00 |
| 3:00 PM | 3:00 PM | 15:00 | 15:00 |
| 4:00 PM | 4:00 PM | 16:00 | 16:00 |
| 5:00 PM | 5:00 PM | 17:00 | 17:00 |
| 6:00 PM | 6:00 PM | 18:00 | 18:00 |
| 7:00 PM | 7:00 PM | 19:00 | 19:00 |
| 8:00 PM | 8:00 PM | 20:00 | 20:00 |
| 9:00 PM | 9:00 PM | 21:00 | 21:00 |
| 10:00 PM | 10:00 PM | 22:00 | 22:00 |
| 11:00 PM | 11:00 PM | 23:00 | 23:00 |
Optimal hours for calls between GMT and UTC
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Technical information for both time zones
Source timezone
Target timezone
Popular business hours conversion from Greenwich Mean Time to Coordinated Universal Time
Quick answers to common questions