IDT 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).
Quick answers
Selected conversion
3:00 pm15:00 IDT (UTC+3), Oct 8, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 8, 2026
IDT is 3 hours ahead of GMT.
IDT and GMT examples
These examples always use IDT (UTC+3) 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.
IDT is 3 hours ahead of GMT.
How the time difference changes
For most of the year, IDT is 3 hours ahead of GMT. At other times of the year, IST is 2 hours ahead of GMT.
For most of the year, working hours of 9:00 am to 5:00 pm in IDT correspond to 6:00 am to 2:00 pm in GMT. At other times of the year, working hours of 9:00 am to 5:00 pm in IST correspond to 7:00 am to 3:00 pm in GMT.For most of the year, working hours of 09:00 to 17:00 in IDT correspond to 06:00 to 14:00 in GMT. At other times of the year, working hours of 09:00 to 17:00 in IST correspond to 07:00 to 15:00 in GMT.
Compare IDT time with GMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Israel Daylight Time is 3 hours ahead of Greenwich Mean Time.
3:00 pm15:00 in IDT is 12:00 pm12:00 in GMT
IDT to GMT call time
Best time for a conference call or a meeting is between 12pm-5pm12:00-17:00 in IDT which corresponds to 9am-2pm09:00-14:00 in GMT
3:00 pm15:00 Israel Daylight Time (IDT). Offset UTC +3:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
3:00 pm15:00 IDT / 12:00 pm12:00 GMT
| IDT | GMT |
|---|---|
| 12:00am | 9:00pm |
| 1:00am | 10:00pm |
| 2:00am | 11:00pm |
| 3:00am | 12:00am |
| 4:00am | 1:00am |
| 5:00am | 2:00am |
| 6:00am | 3:00am |
| 7:00am | 4:00am |
| 8:00am | 5:00am |
| 9:00am | 6:00am |
| 10:00am | 7:00am |
| 11:00am | 8:00am |
| 12:00pm | 9:00am |
| 1:00pm | 10:00am |
| 2:00pm | 11:00am |
| 3:00pm | 12:00pm |
| 4:00pm | 1:00pm |
| 5:00pm | 2:00pm |
| 6:00pm | 3:00pm |
| 7:00pm | 4:00pm |
| 8:00pm | 5:00pm |
| 9:00pm | 6:00pm |
| 10:00pm | 7:00pm |
| 11:00pm | 8:00pm |
| 00:00 | 21:00 |
| 01:00 | 22:00 |
| 02:00 | 23:00 |
| 03:00 | 00:00 |
| 04:00 | 01:00 |
| 05:00 | 02:00 |
| 06:00 | 03:00 |
| 07:00 | 04:00 |
| 08:00 | 05:00 |
| 09:00 | 06:00 |
| 10:00 | 07:00 |
| 11:00 | 08:00 |
| 12:00 | 09:00 |
| 13:00 | 10:00 |
| 14:00 | 11:00 |
| 15:00 | 12:00 |
| 16:00 | 13:00 |
| 17:00 | 14:00 |
| 18:00 | 15:00 |
| 19:00 | 16:00 |
| 20:00 | 17:00 |
| 21:00 | 18:00 |
| 22:00 | 19:00 |
| 23:00 | 20:00 |
Israel Daylight Time
Offset: IDT is 3 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Israel
Principal Cities: The largest city in the IDT time zone is Jerusalem in Israel, with about 971,800 people. Other major cities in this time zone include Tel Aviv, West Jerusalem, Haifa, Ashdod.
Daylight Saving: Israel Daylight Time (IDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Israel Standard Time (IST).
Start: Israel Daylight Time (IDT) started on Friday, March 27, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Friday, March 27, 2026, 3:00 am03:00. Daylight saving starts annually on the last Friday of March.
End: Israel Daylight Time (IDT) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
IDT representations, usage and related time zones
- +03 - basic short
- +0300 - basic
- +03:00 - extended
- +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
- Charlie - Military abbreviation for IDT
- C - short form of 'Charlie'
- Asia/Jerusalem
- Asia/Tel_Aviv
- Israel
- EEST - Eastern European Summer Time
- MSK - Moscow Standard Time
- AST - Arabia Standard Time
- C - Charlie Time Zone
- EAT - Eastern Africa Time
- FET - Further Eastern European Time
- IDT - Israel Daylight Time
- TRT - Turkey Time
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