NZST to GMT Converter
GMT is 12 hours behind NZST
NZST to GMT Conversion Table
Green rows indicate standard business hours (9 AM – 5 PM) in GMT
| NZST | GMT |
|---|---|
| 12:00 AM | 12:00 PM -1d |
| 1:00 AM | 1:00 PM -1d |
| 2:00 AM | 2:00 PM -1d |
| 3:00 AM | 3:00 PM -1d |
| 4:00 AM | 4:00 PM -1d |
| 5:00 AM | 5:00 PM -1d |
| 6:00 AM | 6:00 PM -1d |
| 7:00 AM | 7:00 PM -1d |
| 8:00 AM | 8:00 PM -1d |
| 9:00 AM | 9:00 PM -1d |
| 10:00 AM | 10:00 PM -1d |
| 11:00 AM | 11:00 PM -1d |
| 12:00 PM | 12:00 AM |
| 1:00 PM | 1:00 AM |
| 2:00 PM | 2:00 AM |
| 3:00 PM | 3:00 AM |
| 4:00 PM | 4:00 AM |
| 5:00 PM | 5:00 AM |
| 6:00 PM | 6:00 AM |
| 7:00 PM | 7:00 AM |
| 8:00 PM | 8:00 AM |
| 9:00 PM | 9:00 AM |
| 10:00 PM | 10:00 AM |
| 11:00 PM | 11:00 AM |
Converting New Zealand Standard Time to Greenwich Mean Time
New Zealand Standard Time (NZST) and Greenwich Mean Time (GMT) are separated by a 12 hours time difference. GMT is 12 hours behind NZST. NZST is UTC+12, used in New Zealand, while GMT is UTC+0, used in United Kingdom, Ireland, Portugal.
When converting from NZST to GMT, the key reference points to remember are: 9:00 AM NZST equals 9:00 PM GMT, 12:00 PM noon NZST equals 12:00 AM GMT, and 5:00 PM NZST equals 5:00 AM GMT. The conversion table above shows every hour of the day mapped between these two time zones.
Scheduling Across NZST and GMT
For professionals scheduling meetings between NZST and GMT, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 12 hours difference, the window of overlap may be limited, making early morning or late evening calls necessary for one party. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.
Daylight Saving Time Considerations
NZST observes Daylight Saving Time, switching to NZDT (UTC+13) during summer months. GMT observes DST, switching to BST (UTC+1). During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.