IDT to BST Converter
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Quick answers
Selected conversion
2:30 pm14:30 IST (UTC+2), Oct 25, 2026 = 12:30 pm12:30 GMT (UTC+0), Oct 25, 2026
IST is 2 hours ahead of GMT.
IDT and BST examples
These examples always use IDT (UTC+3) and BST (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IDT is 2 hours ahead of BST.
How the time difference changes
For most of the year, IDT is 2 hours ahead of BST. From Oct 25, 2026 to Mar 26, 2027, IST is 2 hours ahead of GMT. From Mar 26 to Mar 28, 2027, IDT is 3 hours ahead of GMT. Briefly around clock changes, IST is 1 hour ahead of BST.
For most of the year, working hours of 9:00 am to 6:00 pm in IDT correspond to 7:00 am to 4:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 7:00 am to 4:00 pm in GMT or working hours of 9:00 am to 6:00 pm in IDT correspond to 6:00 am to 3:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in IDT correspond to 07:00 to 16:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 07:00 to 16:00 in GMT or working hours of 09:00 to 18:00 in IDT correspond to 06:00 to 15:00 in GMT.
Compare IDT time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Israel Standard Time is 2 hours ahead of Greenwich Mean Time.
2:30 pm14:30 in IST is 12:30 pm12:30 in GMT
IST to GMT call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in IST which corresponds to 9am-4pm09:00-16:00 in GMT
2:30 pm14:30 Israel Standard Time (IST). Offset UTC +2:00 hours
12:30 pm12:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:30 pm14:30 IST / 12:30 pm12:30 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.
| IST | GMT |
|---|---|
| 10:00pm previous day BST UTC+1 | |
| 11:00pm previous day BST UTC+1 | |
| 1:00am BST UTC+1 | |
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| 22:00 previous day BST UTC+1 | |
| 23:00 previous day BST UTC+1 | |
| 01:00 BST UTC+1 | |
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Israel Daylight Time
Offset: IDT is 3 hours ahead of Greenwich Mean Time (GMT).
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, Haifa, Rishon LeTsiyyon, Petaẖ Tiqva.
Today the shaded areas are on UTC+2 (Israel Standard Time).
Daylight Saving: Israel Daylight Time (IDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Israel Standard Time (IST).
End: Israel Daylight Time (IDT) ended on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks were 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.
Start: Israel Daylight Time (IDT) starts on Friday, March 26, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Friday, March 26, 2027, 3:00 am03:00.
See Israel daylight saving time and upcoming clock changes worldwide.
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
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
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.
Current time in the United Kingdom: UK time now
Today the shaded areas are on UTC+0 (GMT).
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time