NUT to GMT Converter
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.
Iceland and Ghana stay on GMT (UTC+0).
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
1:00 am01:00 NUT (UTC-11), Oct 12, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 12, 2026
NUT is 11 hours behind GMT.
NUT and GMT examples
These examples always use NUT (UTC-11) and GMT (UTC+0). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
NUT is 11 hours behind GMT.
How the time difference changes
NUT is 11 hours behind GMT year-round.
Working hours of 9:00 am to 5:00 pm in NUT correspond to 8:00 pm to 4:00 am (next day) in GMT.Working hours of 09:00 to 17:00 in NUT correspond to 20:00 to 04:00 (next day) in GMT.
Compare NUT time with GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Niue Time is 11 hours behind Greenwich Mean Time.
1:00 am01:00 in NUT is 12:00 pm12:00 in GMT
NUT to GMT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in NUT which corresponds to 6pm-7pm18:00-19:00 in GMT. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
1:00 am01:00 Niue Time (NUT). Offset UTC -11:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 am01:00 NUT / 12:00 pm12:00 GMT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Niue Time
Offset: NUT is 11 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Niue
Principal Cities: The largest city in the NUT time zone is Alofi in Niue, with about 624 people.
Daylight Saving: Clocks in Niue Time (NUT) do not change for daylight saving time, so NUT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
NUT representations, usage and related time zones
- -11 - basic short
- -1100 - basic
- -11:00 - extended
- -1100 - sign character (-) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the west of the zero meridian.
- X-ray - Military abbreviation for NUT
- X - short form of 'X-ray'
- NUT - Niue Time
- SST - Samoa Standard Time
- X - X-ray Time Zone
Greenwich Mean Time
Offset: GMT is the same as Greenwich Mean Time (GMT).
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 the 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 the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.
Today the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time).
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 - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone