CHAST
Chatham Island Standard Time
GMT +12:45
NZST
New Zealand Standard Time
GMT +12

Time Difference

Chatham Island Standard Time is 0 hours and 45 minutes ahead of New Zealand Standard Time
5:00 am05:00 in CHAST is 4:15 am04:15 in NZST

CHAST to NZST call time
Best time for a conference call or a meeting is between 8:45am-6pm in CHAST which corresponds to 8am-5:15pm in NZST

5:00 am05:00 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
4:15 am04:15 New Zealand Standard Time (NZST). Offset UTC +12:00 hours

5:00 am05:00 CHAST / 4:15 am04:15 NZST

CHAST NZST
12am (midnight) 11:15 pm
1am 12:15 am
2am 1:15 am
3am 2:15 am
4am 3:15 am
5am 4:15 am
6am 5:15 am
7am 6:15 am
8am 7:15 am
9am 8:15 am
10am 9:15 am
11am 10:15 am
12pm (noon) 11:15 am
1pm 12:15 pm
2pm 1:15 pm
3pm 2:15 pm
4pm 3:15 pm
5pm 4:15 pm
6pm 5:15 pm
7pm 6:15 pm
8pm 7:15 pm
9pm 8:15 pm
10pm 9:15 pm
11pm 10:15 pm
0:00 23:15
1:00 0:15
2:00 1:15
3:00 2:15
4:00 3:15
5:00 4:15
6:00 5:15
7:00 6:15
8:00 7:15
9:00 8:15
10:00 9:15
11:00 10:15
12:00 11:15
13:00 12:15
14:00 13:15
15:00 14:15
16:00 15:15
17:00 16:15
18:00 17:15
19:00 18:15
20:00 19:15
21:00 20:15
22:00 21:15
23:00 22:15

New Zealand Standard Time

Offset: NZST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

Countries: It is used in following countries: Antarctica, New Zealand

Principal Cities: The largest city in the NZST timezone is Auckland from New Zealand with population about 1.535 million people. Other major cities in the area are Wellington, Christchurch, Hamilton, Tauranga

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe New Zealand Daylight Time (NZDT).

Start: NZST started and clocks were set one hour back on Sunday, 04 April 2021, at 3:00 (3:00 am) local time.

End: NZST ends and clocks are set one hour forward on Sunday, 26 September 2021, at 2:00 (2:00 am) local time.

NZST Time Zone Geo Map
NZST timezone map

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 twelve hour and zero minutes time differences 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
  • MAGT - Magadan 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
  • +12 -