GMT to NZST Converter

New Zealand Time (NZST / NZDT) is 12 hours ahead of UK Time (GMT / BST).

Quick Reference

UK Time
BST (GMT+1)

GMT starts on Oct 25, 2026

New Zealand Time
NZDT (GMT+13)

NZST starts on Apr 4, 2026

Frequently Asked Questions

What is the difference between GMT and NZST?
NZST is 12 hours ahead of GMT.
How do I convert GMT to NZST?
To convert from GMT to NZST, add 12 hours. Use the interactive converter on this page to convert specific times.
What cities are in GMT and NZST?
Cities in GMT include London, Birmingham, Glasgow, Manchester, Sheffield. Cities in NZST include Auckland, Christchurch, Wellington, Hamilton, Dunedin.
GMT to NZST Converter | Timezone App