London
Auckland
Convert GMT to NZST
Greenwich Mean Time to New Zealand Standard Time — Auckland is 12 hours ahead of London
Quick Facts
Time Difference
+12 hours
GMT Full Name
Greenwich Mean Time
NZST Full Name
New Zealand Standard Time
GMT to NZST Conversion Table
Related Conversions
About GMT and NZST Time Zones
GMT (Greenwich Mean Time) is UTC+0 and covers cities like London, Dublin, Lisbon. NZST (New Zealand Standard Time) is UTC+12 and covers cities like Auckland, Wellington, Christchurch.
When it's 12:00 PM (noon) in London (GMT), it's 12:00 AM in Auckland (NZST). The time difference between GMT and NZST is 12 hours — Auckland is ahead of London.
With a 12-hour gap, scheduling overlap is very limited. Early morning in London (6–8 AM) corresponds to evening or late night in Auckland.
Daylight Saving Time
NZST observes Daylight Saving Time and becomes NZDT (New Zealand Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC+13.
During DST transitions, the time difference between GMT and NZST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare London and Auckland with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between GMT and NZST?
Auckland (NZST) is 12 hours ahead of London (GMT). The offset is +12 hours.
Is NZST ahead or behind GMT?
NZST is 12 hours ahead of GMT. GMT is UTC+1 and NZST is UTC+13.
When it's 12:00 PM in London, what time is it in Auckland?
When it's 12:00 PM (noon) in London (GMT), it's 12:00 AM in Auckland (NZST).
When it's 5:00 PM in London, what time is it in Auckland?
When it's 5:00 PM in London (GMT), it's 5:00 AM in Auckland (NZST).
Does NZST change for Daylight Saving Time?
Yes. NZST (New Zealand Standard Time, UTC+12) becomes NZDT (New Zealand Daylight Time, UTC+13) in summer, shifting clocks forward 1 hour.