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Convert New Zealand Standard Time (NZST) to Greenwich Mean Time (GMT, UTC+0) with our professional time zone converter. Designed for international business meetings between Auckland to London, 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 is 12 hours behind New Zealand Standard Time
Complete hourly conversion for New Zealand Standard Time to Greenwich Mean Time
| New Zealand Standard Time | Greenwich Mean Time | 24-Hour NZST | 24-Hour GMT |
|---|---|---|---|
| 12:00 AM | 12:00 PM (previous day) | 00:00 | 12:00 |
| 1:00 AM | 1:00 PM (previous day) | 01:00 | 13:00 |
| 2:00 AM | 2:00 PM (previous day) | 02:00 | 14:00 |
| 3:00 AM | 3:00 PM (previous day) | 03:00 | 15:00 |
| 4:00 AM | 4:00 PM (previous day) | 04:00 | 16:00 |
| 5:00 AM | 5:00 PM (previous day) | 05:00 | 17:00 |
| 6:00 AM | 6:00 PM (previous day) | 06:00 | 18:00 |
| 7:00 AM | 7:00 PM (previous day) | 07:00 | 19:00 |
| 8:00 AM | 8:00 PM (previous day) | 08:00 | 20:00 |
| 9:00 AM | 9:00 PM (previous day) | 09:00 | 21:00 |
| 10:00 AM | 10:00 PM (previous day) | 10:00 | 22:00 |
| 11:00 AM | 11:00 PM (previous day) | 11:00 | 23:00 |
| 12:00 PM | 12:00 AM | 12:00 | 00:00 |
| 1:00 PM | 1:00 AM | 13:00 | 01:00 |
| 2:00 PM | 2:00 AM | 14:00 | 02:00 |
| 3:00 PM | 3:00 AM | 15:00 | 03:00 |
| 4:00 PM | 4:00 AM | 16:00 | 04:00 |
| 5:00 PM | 5:00 AM | 17:00 | 05:00 |
| 6:00 PM | 6:00 AM | 18:00 | 06:00 |
| 7:00 PM | 7:00 AM | 19:00 | 07:00 |
| 8:00 PM | 8:00 AM | 20:00 | 08:00 |
| 9:00 PM | 9:00 AM | 21:00 | 09:00 |
| 10:00 PM | 10:00 AM | 22:00 | 10:00 |
| 11:00 PM | 11:00 AM | 23:00 | 11:00 |
Optimal hours for calls between NZST and GMT
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
