GMT to NZDT Converter
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.
Iceland and Ghana stay on GMT (UTC+0).
Quick answers
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 NZDT examples
These examples always use GMT (UTC+0) and NZDT (UTC+13). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
GMT is 13 hours behind NZDT.
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 NZDT 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 Daylight Time
Offset: NZDT is 13 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 NZDT 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: New Zealand Daylight Time (NZDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe New Zealand Standard Time (NZST).
Start: New Zealand Daylight Time (NZDT) started 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. Daylight saving starts annually on the last Sunday of September.
End: New Zealand Daylight Time (NZDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of April.
NZDT representations, usage and related time zones
- +13 - basic short
- +1300 - basic
- +13:00 - extended
- +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
- Antarctica/McMurdo
- Antarctica/South_Pole
- NZ
- Pacific/Auckland
- 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
