London to Porirua time converter

Porirua is 12 hours ahead of London. When it is 9:00 AM in London, it is 9:00 PM in Porirua.

London BST

Wednesday, October 21, 2026

Porirua NZDT

Thursday, October 22, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
Porirua
New Zealand
Thu, Oct 22
NZDTUTC+13+12h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Porirua conversion table

Every hour of today in London and the matching time in Porirua. Light rows are typical working hours (9:00–18:00).

LondonPorirua
12:00 AM12:00 PM
1:00 AM1:00 PM
2:00 AM2:00 PM
3:00 AM3:00 PM
4:00 AM4:00 PM
5:00 AM5:00 PM
6:00 AM6:00 PM
7:00 AM7:00 PM
8:00 AM8:00 PM
9:00 AM9:00 PM
10:00 AM10:00 PM
11:00 AM11:00 PM
12:00 PM12:00 AM+1 day
1:00 PM1:00 AM+1 day
2:00 PM2:00 AM+1 day
3:00 PM3:00 AM+1 day
4:00 PM4:00 AM+1 day
5:00 PM5:00 AM+1 day
6:00 PM6:00 AM+1 day
7:00 PM7:00 AM+1 day
8:00 PM8:00 AM+1 day
9:00 PM9:00 AM+1 day
10:00 PM10:00 AM+1 day
11:00 PM11:00 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in London (9:00 PM – 10:00 PM in Porirua): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because London and Porirua switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: +12h
  • Oct 25, 2026 – Mar 28, 2027: +13h
  • Mar 28, 2027 – Apr 3, 2027: +12h
  • Apr 3, 2027 – Sep 25, 2027: +11h
  • Sep 25, 2027 – Oct 21, 2027: +12h

Distance

London and Porirua are 18,799 km (11,681 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between London and Porirua?

Porirua is 12 hours ahead of London.

What time is it in Porirua when it is 9 AM in London?

When it is 9:00 AM in London, it is 9:00 PM in Porirua.

When is the best time to call Porirua from London?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in London (9:00 PM – 10:00 PM in Porirua): working hours on one side, early or late on the other.

Does the time difference between London and Porirua change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.