NZST
New Zealand Standard Time
GMT +12
BRT
Brasília time
GMT -3

Time Difference

New Zealand Standard Time is 15 hours ahead of Brasília time
8:30 am08:30 in NZST is 5:30 pm17:30 in BRT

NZST to BRT call time
Best time for a conference call or a meeting is between 8:30pm-10:30pm in NZST which corresponds to 5:30am-7:30am in BRT

8:30 am08:30 New Zealand Standard Time (NZST). Offset UTC +12:00 hours
5:30 pm17:30 Brasília time (BRT). Offset UTC -3:00 hours

8:30 am08:30 NZST / 5:30 pm17:30 BRT

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

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

NZST Time Zone Geo Map
NZST timezone map

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).

Daylight saving time clock moves back for one hour from 3am to 2amStart: New Zealand Standard Time (NZST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on 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 28, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, September 28, 2025, 3:00 am local daylight time instead. Standard time starts annually the on 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 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

Brasília time

Offset: BRT is 3 hours behind Greenwich Mean Time (GMT) and is used in South America

BRT Time Zone Geo Map
BRT timezone map

BRT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates three hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for BRT
  • P - short form of 'Papa'
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • WGT - West Greenland Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasília time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • SRT - Suriname Time
  • UYT - Uruguay Time