CHADT
Chatham Island Daylight Time
GMT +13:45
NZST/NZDT
New Zealand Standard Time
GMT +12
NZDT automatically adjusted to NZST time zone, that is in use

Time Difference

Chatham Island Daylight Time is 1 hour and 45 minutes ahead of New Zealand Standard Time
So 10:30 am10:30 in CHADT is 8:45 am08:45 in NZST

10:30 am10:30 Chatham Island Daylight Time (CHADT). Offset UTC +13:45 hours
8:45 am08:45 New Zealand Standard Time (NZST). Offset UTC +12:00 hours

10:30 am10:30 CHADT / 8:45 am08:45 NZST

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

New Zealand Daylight Time

Offset: NZDT is 13 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 NZDT 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: New Zealand Daylight Time (NZDT) is a daylight saving/summer timezone, however during winter some places adjust time for one hour back and observe New Zealand Standard Time (NZST).

End: NZDT ends annually on the same date and time. and clocks were set one hour back on Sunday, April 5, 2020, at 3:00 (3:00 am) local time.

Start: NZDT starts annually on the same date and time. and clocks are set one hour forward on Sunday, September 27, 2020, at 2:00 (2:00 am) local time.

NZDT Time Zone Geo Map
NZDT timezone map
NZDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates thirteen hour and zero minutes time differences to the east of the zero meridian.

IANA/Olson: Reflects NZDT 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 +13 offset:

  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time