New Zealand Standard Time
NZST means UTC+12:00 throughout the year.
TIME ZONE CONVERTER
NZST to London
Time Converter
Convert New Zealand Standard Time to London, United Kingdom. Compare dates, seasonal differences and meeting hours.
NZST is 11h or 12h ahead of London in 2026, depending on the date.
9 AM NZST = 9 PM London Tue, 3 Nov at the destination
Selected date: November 4, 2026. Fixed abbreviations retain their stated UTC offsets.
THE QUICK REFERENCE
CSVNZST to London conversion table
November 4, 2026 · Date changes are marked.
View the full 24-hour table
| NZST | London |
|---|---|
| 12:00 AM | 12:00 PM -1 day |
| 1:00 AM | 1:00 PM -1 day |
| 2:00 AM | 2:00 PM -1 day |
| 3:00 AM | 3:00 PM -1 day |
| 4:00 AM | 4:00 PM -1 day |
| 5:00 AM | 5:00 PM -1 day |
| 6:00 AM | 6:00 PM -1 day |
| 7:00 AM | 7:00 PM -1 day |
| 8:00 AM | 8:00 PM -1 day |
| 9:00 AM | 9:00 PM -1 day |
| 10:00 AM | 10:00 PM -1 day |
| 11:00 AM | 11:00 PM -1 day |
| NZST | London |
|---|---|
| 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 |
Starting with the London working day
These examples start on 2026-11-04 in London.
09:00 London21:00 →NZST · 2026-11-04
17:00 London05:00 →NZST · 2026-11-05
Which time-zone meaning are we using?
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 NZST to London throughout 2026
Keeping 09:00 on the NZST clock produces 2 different destination clock/date answers in 2026. The ranges below use NZST calendar dates, including transition days.
| Dates in NZST · 2026 | London answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 2988 dates | 21:00Previous day | UTC+12:00 → UTC | |
| Mar 30 – Oct 25210 dates | 22:00Previous day | UTC+12:00 → UTC+01:00 | |
| Oct 26 – Dec 3167 dates | 21:00Previous day | UTC+12:00 → UTC |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does NZST time become a different date in London?
Your complete source day: 2026-11-04. Each range shows which destination date to use.
NZST · 2026-11-0400:00–12:00UTC+12:00
London · 2026-11-0312:00–24:00UTC Previous day
NZST · 2026-11-0412:00–24:00UTC+12:00
London · 2026-11-0400:00–12:00UTC Same date
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How London compares with NZST throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
−12h
−11h
−12h
London changes its UTC offset in 2026. NZST is a fixed offset.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | London vs NZST |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 29 Mar 2026, 01:00 UTC | 12h behind |
| 29 Mar 2026, 01:00 UTC | 25 Oct 2026, 01:00 UTC | 11h behind |
| 25 Oct 2026, 01:00 UTC | 1 Jan 2027, 00:00 UTC | 12h behind |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has London 11h behind relative to NZST. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with NZST |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 29 Mar 2026, 01:00 UTC | 12h behind |
| 25 Oct 2026, 01:00 UTC | 1 Jan 2027, 00:00 UTC | 12h behind |
PLAN BEYOND A SINGLE DAY
Daily CSVNZST–London working hours through 2026
Every date calculated with your working windows. 261 selected NZST workdays; public holidays are not applied.
Least shared time0h
Most common0h
Most shared time0h
Days without a 60-min slot261 / 261
One fixed start time does not fit every working day.
Your working windows never overlap on the selected host workdays this year. Adjust working days, hours or duration above, or use different seasonal meeting times.
NZST: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. London: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
THE DETAILS THAT MATTER
NZST to London: useful answers
Why is the NZST to London difference sometimes 11 hours and sometimes 12 hours?
NZST is 11h or 12h ahead of London in 2026, depending on the date. London changes its UTC offset in 2026. NZST is a fixed offset.
Does the NZST–London time difference change in 2026?
The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in NZST on 2026-11-04 is 21:00 in London on 2026-11-03. Use the destination date when adding the meeting to a calendar.
Can NZST and London meet during working hours?
Your selected working windows have no shared time on 2026-11-04. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.
Related time-zone meanings and conversions
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology