GMT to LHDT Converter
The United Kingdom is on summer time: BST (UTC+1) until Sun, Oct 25.
Iceland and Ghana stay on GMT (UTC+0).
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
12:00 pm12:00 GMT (UTC+0), Oct 14, 2026 = 11:00 pm23:00 LHDT (UTC+11), Oct 14, 2026
GMT is 11 hours behind LHDT.
GMT and LHDT examples
These examples always use GMT (UTC+0) and LHDT (UTC+11). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
GMT is 11 hours behind LHDT.
How the time difference changes
Depending on seasonal clock changes, GMT is 10 hours and 30 minutes behind LHST or GMT is 11 hours behind LHDT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in GMT correspond to 7:30 pm to 3:30 am (next day) in LHST or working hours of 9:00 am to 5:00 pm in GMT correspond to 8:00 pm to 4:00 am (next day) in LHDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in GMT correspond to 19:30 to 03:30 (next day) in LHST or working hours of 09:00 to 17:00 in GMT correspond to 20:00 to 04:00 (next day) in LHDT.
Compare GMT time with LHDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 11 hours behind Lord Howe Daylight Time.
12:00 pm12:00 in GMT is 11:00 pm23:00 in LHDT
GMT to LHDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in GMT which corresponds to 6pm-7pm18:00-19:00 in LHDT. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
11:00 pm23:00 Lord Howe Daylight Time (LHDT). Offset UTC +11:00 hours
12:00 pm12:00 GMT / 11:00 pm23:00 LHDT
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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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
Lord Howe Daylight Time
Offset: LHDT is 11 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Australia
Today all shaded areas are on LHDT.
Daylight Saving: Lord Howe Daylight Time (LHDT) is a daylight saving/summer time zone. During winter, some places set clocks back 30 minutes and observe Lord Howe Standard Time (LHST).
Start: Lord Howe Daylight Time (LHDT) started on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set 30 minutes forward to Sunday, October 4, 2026, 2:30 am02:30. Daylight saving starts annually on the first Sunday of October.
End: Lord Howe Daylight Time (LHDT) ends on Sunday, April 4, 2027 at 2:00 am02:00 local time and clocks are set 30 minutes back to Sunday, April 4, 2027, 1:30 am01:30 local standard time instead. Daylight saving ends annually on the first Sunday of April.
LHDT 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 east of the zero meridian.
- Lima - Military abbreviation for LHDT
- L - short form of 'Lima'
- AEDT - Australian Eastern Daylight Time
- BST - Bougainville Standard Time
- KOST - Kosrae Time
- L - Lima Time Zone
- LHDT - Lord Howe Daylight Time
- MAGT - Magadan Time
- NCT - New Caledonia Time
- NFT - Norfolk Time
- PETT - Kamchatka Time
- PONT - Pohnpei Standard Time
- SBT - Solomon IslandsTime
- VLAST - Vladivostok Summer Time
- VUT - Vanuatu Time