What is the time difference between GMT and NZST?

GMT is 12 hours ahead NZST. GMT is UTC+0 and NZST is UTC+12.

What is 12 PM GMT in NZST?

12 PM GMT (noon) is 1 AM NZST (next day).

What are the best meeting times between GMT and NZST?

There is no standard business hours overlap between GMT and NZST.

GMT to NZST Time Conversion

Greenwich Mean Time → New Zealand Standard Time

GMT

UTC+0

Greenwich Mean Time

offset

+12h

NZST is 12h ahead

NZST

UTC+12

New Zealand Standard Time

Both GMT and NZST observe DST — offset may shift ±1h during transitions

Greenwich Mean Time (GMT) is 12 hours ahead New Zealand Standard Time (NZST). When it is noon in GMT, it is 1 AM in NZST. This offset may change during Daylight Saving Time.

Meeting planner tool Reverse: NZST to GMT

All 24 Hours — GMT to NZST

Click any row to see the full detail page for that hour

Both business hoursPartial overlapOff hours

12 AM6 AM12 PM6 PM11 PM

Frequently Asked Questions — GMT to NZST

Greenwich Mean Time (GMT) is 12 hours ahead of New Zealand Standard Time (NZST). GMT is UTC+0 and NZST is UTC+12. This offset may shift by ±1 hour during Daylight Saving Time transitions.