BST to NZST Converter
NZDT is 13 hours ahead of GMT. 9:00 AM GMT = 10:00 PM NZDT.
NZDT is 13 hours ahead of GMT at the moment. To convert BST to NZST, add 13 hours to the BST time: 9:00 AM GMT = 10:00 PM NZDT.
BST (British Time) is used in United Kingdom from late March to late October. NZST (New Zealand Time) is used in New Zealand.
BST here means British Summer Time, not Bangladesh Standard Time. BST (British Summer Time) is not in force right now: United Kingdom from late March to late October is currently on GMT. This page uses whichever name applies on the date you pick, so the numbers below say GMT. NZST (New Zealand Standard Time) is not in force right now: New Zealand is currently on NZDT. This page uses whichever name applies on the date you pick, so the numbers below say NZDT.
BST to NZST time conversion table
BST to NZST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| BST | NZST | Day |
|---|---|---|
| 12:00 AM GMT | 1:00 PM NZDT | — |
| 1:00 AM GMT | 2:00 PM NZDT | — |
| 2:00 AM GMT | 3:00 PM NZDT | — |
| 3:00 AM GMT | 4:00 PM NZDT | — |
| 4:00 AM GMT | 5:00 PM NZDT | — |
| 5:00 AM GMT | 6:00 PM NZDT | — |
| 6:00 AM GMT | 7:00 PM NZDT | — |
| 7:00 AM GMT | 8:00 PM NZDT | — |
| 8:00 AM GMT | 9:00 PM NZDT | — |
| 9:00 AM GMT | 10:00 PM NZDT | night |
| 10:00 AM GMT | 11:00 PM NZDT | night |
| 11:00 AM GMT | 12:00 AM NZDT | next day |
| 12:00 PM GMT | 1:00 AM NZDT | next day |
| 1:00 PM GMT | 2:00 AM NZDT | next day |
| 2:00 PM GMT | 3:00 AM NZDT | next day |
| 3:00 PM GMT | 4:00 AM NZDT | next day |
| 4:00 PM GMT | 5:00 AM NZDT | next day |
| 5:00 PM GMT | 6:00 AM NZDT | next day |
| 6:00 PM GMT | 7:00 AM NZDT | next day |
| 7:00 PM GMT | 8:00 AM NZDT | next day |
| 8:00 PM GMT | 9:00 AM NZDT | next day |
| 9:00 PM GMT | 10:00 AM NZDT | next day |
| 10:00 PM GMT | 11:00 AM NZDT | next day |
| 11:00 PM GMT | 12:00 PM NZDT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert BST to NZST
Add 13 hours to the BST time to get NZST.
Example: 9:00 AM GMT = 10:00 PM NZDT.
Across midnight: 10:00 PM GMT = 11:00 AM NZDT (next day). The date changes, so always check the day as well as the hour.
Time difference between BST and NZST
The time difference between BST and NZST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: NZST is 13 hours ahead of BST.
- 29 Mar 2026 – 3 Apr 2026: NZST is 12 hours ahead of BST.
- 4 Apr 2026 – 25 Sep 2026: NZST is 11 hours ahead of BST.
- 26 Sep 2026 – 24 Oct 2026: NZST is 12 hours ahead of BST.
- 25 Oct 2026 – 31 Dec 2026: NZST is 13 hours ahead of BST.
BST and NZST during daylight saving time
- BST next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
- NZST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from NZDT (UTC+13) to NZST (UTC+12).
Best time for a meeting between BST and NZST
BST and NZST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 8:00 PM NZDT.
BST to NZST FAQ
What is the time difference between BST and NZST?
Right now NZDT is 13 hours ahead of GMT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM BST in NZST?
9:00 AM GMT is 10:00 PM NZDT.
What is 12 PM (noon) BST in NZST?
12:00 PM GMT is 1:00 AM NZDT (next day).
Is NZST ahead of or behind BST?
NZDT is 13 hours ahead of GMT, so it is later in NZST than in BST.
Does BST change for daylight saving time?
Yes. BST next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does NZST change for daylight saving time?
Yes. NZST next changes on 4 Apr 2027, when clocks go back one hour from NZDT to NZST.
What is the best time for a meeting between BST and NZST?
BST and NZST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 8:00 PM NZDT.
Related conversions
Convert NZST to BST
Convert BST to other time zones
Convert other time zones to NZST
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.