GMT to Hilo Time 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 12, 2026 = 2:00 am02:00 HST (UTC-10), Oct 12, 2026
GMT is 10 hours ahead of Hilo.
How the time difference changes
GMT is 10 hours ahead of Hilo year-round.
Working hours of 9:00 am to 5:00 pm in GMT correspond to 11:00 pm (previous day) to 7:00 am in Hilo.Working hours of 09:00 to 17:00 in GMT correspond to 23:00 (previous day) to 07:00 in Hilo.
Compare GMT time with Hilo time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 10 hours ahead of HST (Hawaii Standard Time).
12:00 pm12:00 in GMT is 2:00 am02:00 in Hilo, HI, USA
GMT to Hilo call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in GMT which corresponds to 7:30am-8:30am07:30-08:30 in Hilo
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:00 am02:00 HST (Hawaii Standard Time) (Hilo, HI, USA). Offset UTC -10:00 hours
12:00 pm12:00 GMT / 2:00 am02:00 Hilo, HI, USA
| GMT | Hilo, HI, USA |
|---|---|
| 12:00am | 2:00pm |
| 1:00am | 3:00pm |
| 2:00am | 4:00pm |
| 3:00am | 5:00pm |
| 4:00am | 6:00pm |
| 5:00am | 7:00pm |
| 6:00am | 8:00pm |
| 7:00am | 9:00pm |
| 8:00am | 10:00pm |
| 9:00am | 11:00pm |
| 10:00am | 12:00am |
| 11:00am | 1:00am |
| 12:00pm | 2:00am |
| 1:00pm | 3:00am |
| 2:00pm | 4:00am |
| 3:00pm | 5:00am |
| 4:00pm | 6:00am |
| 5:00pm | 7:00am |
| 6:00pm | 8:00am |
| 7:00pm | 9:00am |
| 8:00pm | 10:00am |
| 9:00pm | 11:00am |
| 10:00pm | 12:00pm |
| 11:00pm | 1:00pm |
| 00:00 | 14:00 |
| 01:00 | 15:00 |
| 02:00 | 16:00 |
| 03:00 | 17:00 |
| 04:00 | 18:00 |
| 05:00 | 19:00 |
| 06:00 | 20:00 |
| 07:00 | 21:00 |
| 08:00 | 22:00 |
| 09:00 | 23:00 |
| 10:00 | 00:00 |
| 11:00 | 01:00 |
| 12:00 | 02:00 |
| 13:00 | 03:00 |
| 14:00 | 04:00 |
| 15:00 | 05:00 |
| 16:00 | 06:00 |
| 17:00 | 07:00 |
| 18:00 | 08:00 |
| 19:00 | 09:00 |
| 20:00 | 10:00 |
| 21:00 | 11:00 |
| 22:00 | 12:00 |
| 23:00 | 13:00 |
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