Updating current time…
IST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
B
UTC+2
1h ahead
12am
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Quick answers

Selected conversion

12:30 pm12:30 IST (UTC+1), Oct 23, 2026 = 1:30 pm13:30 B (UTC+2), Oct 23, 2026

IST is 1 hour behind B.

IST and B examples

These examples always use IST (UTC+1) and B (UTC+2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

IST is 1 hour behind B.

How the time difference changes

For most of the year, IST Europe is 1 hour behind B. From Oct 25, 2026 to Mar 28, 2027, GMT Europe is 2 hours behind B.

For most of the year, working hours of 9:00 am to 6:00 pm in IST Europe correspond to 10:00 am to 7:00 pm in B. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT Europe correspond to 11:00 am to 8:00 pm in B.For most of the year, working hours of 09:00 to 18:00 in IST Europe correspond to 10:00 to 19:00 in B. At other times of the year, working hours of 09:00 to 18:00 in GMT Europe correspond to 11:00 to 20:00 in B.

Compare IST time with B time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Irish Standard Time is 1 hour behind Bravo Time Zone.
12:30 pm12:30 in IST is 1:30 pm13:30 in B

IST to B call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in IST which corresponds to 10am-6pm10:00-18:00 in B

12:30 pm12:30 Irish Standard Time (IST). Offset UTC +1:00 hour
1:30 pm13:30 Bravo Time Zone (B). Offset UTC +2:00 hours

12:30 pm12:30 IST / 1:30 pm13:30 B

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.

Hourly time comparison
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Irish Standard Time

Offset: IST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Ireland

Principal Cities: The largest city in the IST time zone is Dublin in Ireland, with about 1.024 million people. Other major cities in this time zone include Cork, Limerick, Galway, Waterford.

Current time in Ireland: Ireland time now

Map of the areas on Irish Standard Time (IST)
IST part of the year

Today all shaded areas are on IST.

Daylight Saving: Irish Standard Time (IST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

123456789101112Start: Irish Standard Time (IST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: Irish Standard Time (IST) 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.

See Ireland daylight saving time and upcoming clock changes worldwide.

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for IST
  • A - short form of 'Alpha'
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Eire
  • Europe/Dublin
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2
Time zones with the GMT +1 offset:
  • 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

Bravo Time Zone

Offset: B is 2 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Åland Islands, Albania, Andorra, Antarctica, Austria, Belgium, Bosnia and Herzegovina, Botswana, Bulgaria, Burundi, Croatia, Cyprus, Czechia, Democratic Republic of the Congo, Denmark, Egypt, Estonia, Eswatini, Finland, France, Germany, Gibraltar, Greece, Hungary, Israel, Italy, Kosovo, Latvia, Lebanon, Lesotho, Libya, Liechtenstein, Lithuania, Luxembourg, Malawi, Malta, Moldova, Monaco, Montenegro, Mozambique, Namibia, Netherlands, North Macedonia, Norway, Palestinian Territory, Poland, Romania, Russia, Rwanda, San Marino, Serbia, Slovakia, Slovenia, South Africa, South Sudan, Spain, Sudan, Svalbard and Jan Mayen, Sweden, Switzerland, Ukraine, Vatican City, Zambia, Zimbabwe

Principal Cities: The largest city in the B time zone is Cairo in Egypt, with about 9.607 million people. Other major cities in this time zone include Johannesburg, Alexandria, Cape Town, Giza.

Daylight Saving: Some places on Bravo Time Zone (B) keep the same time all year, while others use B for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.

Map of the areas on Bravo Time Zone (B)
B all year B part of the year

Today some of the lighter areas are on UTC+3 (EEST, IDT).

B representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for B
  • B - short form of 'Bravo'
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time