NZST
New Zealand Standard Time
GMT +12
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CHAST/CHADT
Chatham Island Standard Time
GMT +12:45
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CHADT is not used on June 4, 2026

This converter uses CHAST for Chatham Island.

Compare NZST time with CHADT 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 0 hours and 45 minutes behind Chatham Island Standard Time
2:00 am02:00 in NZST is 2:45 am02:45 in CHAST

NZST to CHAST call time
Best time for a conference call or a meeting is between 9am-4:15pm in NZST which corresponds to 9:45am-5pm in CHAST

2:00 am02:00 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
2:45 am02:45 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

2:00 am02:00 NZST / 2:45 am02:45 CHAST

NZSTCHAST
12am (midnight)12:45 am
1am1:45 am
2am2:45 am
3am3:45 am
4am4:45 am
5am5:45 am
6am6:45 am
7am7:45 am
8am8:45 am
9am9:45 am
10am10:45 am
11am11:45 am
12pm (noon)12:45 pm
1pm1:45 pm
2pm2:45 pm
3pm3:45 pm
4pm4:45 pm
5pm5:45 pm
6pm6:45 pm
7pm7:45 pm
8pm8:45 pm
9pm9:45 pm
10pm10:45 pm
11pm11:45 pm
00:0000:45
01:0001:45
02:0002:45
03:0003:45
04:0004:45
05:0005:45
06:0006:45
07:0007:45
08:0008:45
09:0009:45
10:0010:45
11:0011:45
12:0012:45
13:0013:45
14:0014:45
15:0015:45
16:0016:45
17:0017:45
18:0018:45
19:0019:45
20:0020:45
21:0021:45
22:0022:45
23:0023:45

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 1.535 million people. Other major cities in this time zone include Wellington, Christchurch, 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 back for one hour from 3am to 2amStart: 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.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: 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

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

Chatham Island Daylight Time

Offset: CHADT is 13 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHADT Time Zone Geo Map
CHADT timezone map

Daylight Saving: Chatham Island Daylight Time (CHADT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Chatham Island Standard Time (CHAST).

End: Chatham Island Daylight Time (CHADT) ended on Sunday, April 5, 2026 at 3:45 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:45 am local standard time instead. Daylight saving ends annually on the first Sunday of April

Start: Chatham Island Daylight Time (CHADT) starts on Sunday, September 27, 2026 at 2:45 am local time and clocks are set one hour forward to Sunday, September 27, 2026, 3:45 am. Daylight saving starts annually on the last Sunday of September

CHADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1345 - basic
  • +13:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1345 - sign character (+) followed by a four digit time providing hours (13) and minutes (45) of the offset. Indicates an offset of thirteen hours and forty-five minutes to the east of the zero meridian.