Updating current time…

No shared working hoursFri, Oct 16

BST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
New ZealandCHADT
UTC+13:45
tomorrow (next day)
12h 45m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 pm13:00 BST (UTC+1), Oct 16, 2026 = 1:45 am01:45 CHADT (UTC+13:45), Oct 17, 2026

BST is 12 hours and 45 minutes behind Waitangi.

How the time difference changes

Depending on seasonal clock changes, BST is 11 hours and 45 minutes behind Waitangi, BST is 12 hours and 45 minutes behind Waitangi, or GMT is 13 hours and 45 minutes behind Waitangi.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in BST correspond to 8:45 pm to 5:45 am (next day) in Waitangi, working hours of 9:00 am to 6:00 pm in BST correspond to 9:45 pm to 6:45 am (next day) in Waitangi, or working hours of 9:00 am to 6:00 pm in GMT correspond to 10:45 pm to 7:45 am (next day) in Waitangi.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in BST correspond to 20:45 to 05:45 (next day) in Waitangi, working hours of 09:00 to 18:00 in BST correspond to 21:45 to 06:45 (next day) in Waitangi, or working hours of 09:00 to 18:00 in GMT correspond to 22:45 to 07:45 (next day) in Waitangi.

Compare BST time with Waitangi 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 and 45 minutes behind CHADT (Chatham Island Daylight Time).
1:00 pm13:00 in BST is 1:45 am01:45 in Waitangi, New Zealand

BST to Waitangi call time
Best time for a conference call or a meeting is between 6:45pm-7:45pm18:45-19:45 in BST which corresponds to 7:30am-8:30am07:30-08:30 in Waitangi (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
1:45 am01:45 CHADT (Chatham Island Daylight Time) (Waitangi, New Zealand). Offset UTC +13:45 hours

1:00 pm13:00 BST / 1:45 am01:45 Waitangi, New Zealand

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
BSTWaitangi, New Zealand
12:45pm
1:45pm
2:45pm
3:45pm
4:45pm
5:45pm
6:45pm
7:45pm
8:45pm
9:45pm
10:45pm
11:45pm
12:45am next day
1:45am next day
2:45am next day
3:45am next day
4:45am next day
5:45am next day
6:45am next day
7:45am next day
8:45am next day
9:45am next day
10:45am next day
11:45am next day
12:45
13:45
14:45
15:45
16:45
17:45
18:45
19:45
20:45
21:45
22:45
23:45
00:45 next day
01:45 next day
02:45 next day
03:45 next day
04:45 next day
05:45 next day
06:45 next day
07:45 next day
08:45 next day
09:45 next day
10:45 next day
11:45 next day

British Summer Time

Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom

Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.

Map of the areas on British Summer Time (BST)
BST part of the year

Today all shaded areas are on BST.

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).

123456789101112Start: 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.

123456789101112End: 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 United Kingdom daylight saving time and 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

Waitangi Time Zone and Facts

Time Zone

Abbreviation / Offset
CHADT – Chatham Island Daylight Time, UTC+13:45 (now, daylight saving time)
CHAST – Chatham Island Standard Time, UTC+12:45 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 3:45 amSunday, April 4, 2027 at 03:45: clocks go back 1 hour to 2:45 am02:45 (CHAST). DST ends on the 1st Sunday of April each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, September 26, 2027 at 2:45 amSunday, September 26, 2027 at 02:45: clocks go forward 1 hour to 3:45 am03:45 (CHADT). DST starts on the last Sunday of September each year. Also called Spring Forward or Summer Time.

Waitangi Facts

Country
New Zealand
Population
140
Currency
Dollar (NZD)
Geographic Coordinates
43° 57' S Latitude / 176° 33' W Longitude
International Dialing Code
+64