GMT to NZST Converter
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Selected conversion
12:00 pm12:00 GMT (UTC+0), Oct 11, 2026 = 1:00 am01:00 NZDT (UTC+13), Oct 12, 2026
GMT is 13 hours behind NZDT.
GMT and NZST examples
These examples always use GMT (UTC+0) and NZST (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
GMT is 12 hours behind NZST.
How the time difference changes
Depending on seasonal clock changes, GMT is 12 hours behind NZST or GMT is 13 hours behind NZDT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in GMT correspond to 9:00 pm to 5:00 am (next day) in NZST or working hours of 9:00 am to 5:00 pm in GMT correspond to 10:00 pm to 6:00 am (next day) in NZDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in GMT correspond to 21:00 to 05:00 (next day) in NZST or working hours of 09:00 to 17:00 in GMT correspond to 22:00 to 06:00 (next day) in NZDT.
Compare GMT time with NZST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 13 hours behind New Zealand Daylight Time.
12:00 pm12:00 in GMT is 1:00 am01:00 in NZDT
GMT to NZDT call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in GMT which corresponds to 7am-8am07:00-08:00 in NZDT (next day)
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 am01:00 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours
12:00 pm12:00 GMT / 1:00 am01:00 NZDT
| GMT | NZDT |
|---|---|
| 12:00am | 1:00pm |
| 1:00am | 2:00pm |
| 2:00am | 3:00pm |
| 3:00am | 4:00pm |
| 4:00am | 5:00pm |
| 5:00am | 6:00pm |
| 6:00am | 7:00pm |
| 7:00am | 8:00pm |
| 8:00am | 9:00pm |
| 9:00am | 10:00pm |
| 10:00am | 11:00pm |
| 11:00am | 12:00am |
| 12:00pm | 1:00am |
| 1:00pm | 2:00am |
| 2:00pm | 3:00am |
| 3:00pm | 4:00am |
| 4:00pm | 5:00am |
| 5:00pm | 6:00am |
| 6:00pm | 7:00am |
| 7:00pm | 8:00am |
| 8:00pm | 9:00am |
| 9:00pm | 10:00am |
| 10:00pm | 11:00am |
| 11:00pm | 12:00pm |
| 00:00 | 13:00 |
| 01:00 | 14:00 |
| 02:00 | 15:00 |
| 03:00 | 16:00 |
| 04:00 | 17:00 |
| 05:00 | 18:00 |
| 06:00 | 19:00 |
| 07:00 | 20:00 |
| 08:00 | 21:00 |
| 09:00 | 22:00 |
| 10:00 | 23:00 |
| 11:00 | 00:00 |
| 12:00 | 01:00 |
| 13:00 | 02:00 |
| 14:00 | 03:00 |
| 15:00 | 04:00 |
| 16:00 | 05:00 |
| 17:00 | 06:00 |
| 18:00 | 07:00 |
| 19:00 | 08:00 |
| 20:00 | 09:00 |
| 21:00 | 10:00 |
| 22:00 | 11:00 |
| 23:00 | 12:00 |
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT time zone is London in United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Dakar, Kumasi.
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
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 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Tauranga.

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).
End: New Zealand Standard Time (NZST) ended on Sunday, September 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, September 27, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of September.
Start: New Zealand Standard Time (NZST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.
NZST representations, usage and related time zones
- +12 - basic short
- +1200 - basic
- +12:00 - extended
- +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.
- Mike - Military abbreviation for NZST
- M - short form of 'Mike'
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- 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
