GMT to NZST Converter
NZST is 12 hours ahead of GMT
GMT to NZST Conversion Table
Green rows indicate standard business hours (9 AM – 5 PM) in NZST
| GMT | NZST |
|---|---|
| 12:00 AM | 12:00 PM |
| 1:00 AM | 1:00 PM |
| 2:00 AM | 2:00 PM |
| 3:00 AM | 3:00 PM |
| 4:00 AM | 4:00 PM |
| 5:00 AM | 5:00 PM |
| 6:00 AM | 6:00 PM |
| 7:00 AM | 7:00 PM |
| 8:00 AM | 8:00 PM |
| 9:00 AM | 9:00 PM |
| 10:00 AM | 10:00 PM |
| 11:00 AM | 11:00 PM |
| 12:00 PM | 12:00 AM +1d |
| 1:00 PM | 1:00 AM +1d |
| 2:00 PM | 2:00 AM +1d |
| 3:00 PM | 3:00 AM +1d |
| 4:00 PM | 4:00 AM +1d |
| 5:00 PM | 5:00 AM +1d |
| 6:00 PM | 6:00 AM +1d |
| 7:00 PM | 7:00 AM +1d |
| 8:00 PM | 8:00 AM +1d |
| 9:00 PM | 9:00 AM +1d |
| 10:00 PM | 10:00 AM +1d |
| 11:00 PM | 11:00 AM +1d |
Converting Greenwich Mean Time to New Zealand Standard Time
Greenwich Mean Time (GMT) and New Zealand Standard Time (NZST) are separated by a 12 hours time difference. NZST is 12 hours ahead of GMT. GMT is UTC+0, used in United Kingdom, Ireland, Portugal, while NZST is UTC+12, used in New Zealand.
When converting from GMT to NZST, the key reference points to remember are: 9:00 AM GMT equals 9:00 PM NZST, 12:00 PM noon GMT equals 12:00 AM NZST, and 5:00 PM GMT equals 5:00 AM NZST. The conversion table above shows every hour of the day mapped between these two time zones.
Scheduling Across GMT and NZST
For professionals scheduling meetings between GMT and NZST, 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
GMT observes Daylight Saving Time, switching to BST (UTC+1) during summer months. NZST observes DST, switching to NZDT (UTC+13). 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.