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BST to NZST Converter

Updating current time…
BST
British Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NZDT/NZST
New Zealand Daylight Time
GMT +13
tomorrow
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New Zealand is on daylight saving time: NZDT (UTC+13) until Sun, Apr 4, 2027.
Use NZST all year (UTC+12)

Quick answers

Selected conversion

1:00 pm13:00 BST (UTC+1), Oct 8, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 9, 2026

BST is 12 hours behind NZDT.

BST and NZST examples

These examples always use BST (UTC+1) and NZST (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BST is 11 hours behind NZST.

How the time difference changes

Depending on seasonal clock changes, BST is 11 hours behind NZST, BST is 12 hours behind NZDT, or GMT is 13 hours behind NZDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in BST correspond to 8:00 pm to 4:00 am (next day) in NZST, working hours of 9:00 am to 5:00 pm in BST correspond to 9:00 pm to 5:00 am (next day) in NZDT, or working hours of 9:00 am to 5:00 pm in GMT correspond to 10:00 pm to 6:00 am (next day) in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in BST correspond to 20:00 to 04:00 (next day) in NZST, working hours of 09:00 to 17:00 in BST correspond to 21:00 to 05:00 (next day) in NZDT, or working hours of 09:00 to 17:00 in GMT correspond to 22:00 to 06:00 (next day) in NZDT.

Compare BST time with NZST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

British Summer Time is 12 hours behind New Zealand Daylight Time.
1:00 pm13:00 in BST is 1:00 am01:00 in NZDT

BST to NZDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in BST which corresponds to 7pm-8pm19:00-20:00 in NZDT

1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours

1:00 pm13:00 BST / 1:00 am01:00 NZDT

BSTNZDT
12:00am12:00pm
1:00am1:00pm
2:00am2:00pm
3:00am3:00pm
4:00am4:00pm
5:00am5:00pm
6:00am6:00pm
7:00am7:00pm
8:00am8:00pm
9:00am9:00pm
10:00am10:00pm
11:00am11:00pm
12:00pm12:00am
1:00pm1:00am
2:00pm2:00am
3:00pm3:00am
4:00pm4:00am
5:00pm5:00am
6:00pm6:00am
7:00pm7:00am
8:00pm8:00am
9:00pm9:00am
10:00pm10:00am
11:00pm11:00am
00:0012:00
01:0013:00
02:0014:00
03:0015:00
04:0016:00
05:0017:00
06:0018:00
07:0019:00
08:0020:00
09:0021:00
10:0022:00
11:0023:00
12:0000:00
13:0001:00
14:0002:00
15:0003:00
16:0004:00
17:0005:00
18:0006:00
19:0007:00
20:0008:00
21:0009:00
22:0010:00
23:0011:00

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.

BST Time Zone Geo Map
BST timezone map

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).

Daylight saving time clock moves forward for one hourStart: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

BST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
Time zones with the GMT +1 offset:
  • 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

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.

NZST Time Zone Geo Map
NZST timezone map

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).

Daylight saving time clock moves forward for one hourEnd: New Zealand Standard Time (NZST) ended on Sunday, September 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of September.

Daylight saving time clock moves back for one hourStart: New Zealand Standard Time (NZST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.

See upcoming clock changes worldwide.

NZST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for NZST
  • M - short form of 'Mike'
IANA/Olson: Reflects NZST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/McMurdo
  • Antarctica/South_Pole
  • NZ
  • Pacific/Auckland
Time zones with the GMT +12 offset:
  • 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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT