NZST to BST Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
NZST and BST examples
These examples always use NZST (UTC+12) and BST (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
NZST is 11 hours ahead of BST.
How the time difference changes
Depending on seasonal clock changes, NZST is 11 hours ahead of BST, NZDT is 12 hours ahead of BST, or NZDT is 13 hours ahead of GMT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in NZST correspond to 10:00 pm (previous day) to 6:00 am in BST, working hours of 9:00 am to 5:00 pm in NZDT correspond to 9:00 pm (previous day) to 5:00 am in BST, or working hours of 9:00 am to 5:00 pm in NZDT correspond to 8:00 pm (previous day) to 4:00 am in GMT.
Compare NZST time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
New Zealand Standard Time is 11 hours ahead of British Summer Time
10:30 am10:30 in NZST is 11:30 pm23:30 in BST
NZST to BST call time
Best time for a conference call or a meeting is between 6pm-7pm in NZST which corresponds to 7am-8am in BST
10:30 am10:30 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
11:30 pm23:30 British Summer Time (BST). Offset UTC +1:00 hour
10:30 am10:30 NZST / 11:30 pm23:30 BST
| NZST | BST |
|---|---|
| 12am (midnight) | 1pm |
| 1am | 2pm |
| 2am | 3pm |
| 3am | 4pm |
| 4am | 5pm |
| 5am | 6pm |
| 6am | 7pm |
| 7am | 8pm |
| 8am | 9pm |
| 9am | 10pm |
| 10am | 11pm |
| 11am | 12am (midnight) |
| 12pm (noon) | 1am |
| 1pm | 2am |
| 2pm | 3am |
| 3pm | 4am |
| 4pm | 5am |
| 5pm | 6am |
| 6pm | 7am |
| 7pm | 8am |
| 8pm | 9am |
| 9pm | 10am |
| 10pm | 11am |
| 11pm | 12pm (noon) |
| 00:00 | 13:00 |
| 01:00 | 14:00 |
| 02:00 | 15:00 |
| 03:00 | 16:00 |
| 04:00 | 17:00 |
| 05:00 | 18:00 |
| 06:00 | 19:00 |
| 07:00 | 20:00 |
| 08:00 | 21:00 |
| 09:00 | 22:00 |
| 10:00 | 23:00 |
| 11:00 | 00:00 |
| 12:00 | 01:00 |
| 13:00 | 02:00 |
| 14:00 | 03:00 |
| 15:00 | 04:00 |
| 16:00 | 05:00 |
| 17:00 | 06:00 |
| 18:00 | 07:00 |
| 19:00 | 08:00 |
| 20:00 | 09:00 |
| 21:00 | 10:00 |
| 22:00 | 11:00 |
| 23:00 | 12:00 |
New Zealand Standard Time
Offset: NZST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Antarctica, New Zealand
Principal Cities: The largest city in the NZST time zone is Auckland in New Zealand, with about 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Tauranga.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe New Zealand Daylight Time (NZDT).
Start: New Zealand Standard Time (NZST) started on Sunday, April 5, 2026 at 3:00 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually on the first Sunday of April.
End: New Zealand Standard Time (NZST) ends on Sunday, September 27, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, September 27, 2026, 3:00 am local daylight time instead. Standard time ends annually on the last Sunday of September.
NZST representations, usage and related time zones
- +12 - basic short
- +1200 - basic
- +12:00 - extended
- +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
- Mike - Military abbreviation for NZST
- M - short form of 'Mike'
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- ANAST - Anadyr Summer Time
- ANAT - Anadyr Time
- FJT - Fiji Time
- GILT - Gilbert Island Time
- M - Mike Time Zone
- MAGST - Magadan Summer Time
- MHT - Marshall Islands Time
- NRT - Nauru Time
- NZST - New Zealand Standard Time
- PETST - Kamchatka Summer Time
- TVT - Tuvalu Time
- WFT - Wallis and Futuna Time
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST time zone is London in United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Liverpool, Saint Helier.
Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am. Daylight saving starts annually on the last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am local standard time instead. Daylight saving ends annually on the last Sunday of October
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time