Ireland
IST
IST
India Standard Time
GMT +5:30
UTC
Universal Time Coordinated
GMT +0

Time Difference

IST (Irish Standard Time) is 4 hours and 30 minutes behind India Standard Time and 1 hour ahead of Universal Time Coordinated
8:30 am08:30 in Dublin, Ireland is 1:00 pm13:00 in IST and is 7:30 am07:30 in UTC

Dublin to IST call time
Best time for a conference call or a meeting is between 8am-1:30pm in Dublin which corresponds to 12:30pm-6pm in IST
Dublin to UTC call time
Best time for a conference call or a meeting is between 9am-6pm in Dublin which corresponds to 8am-5pm in UTC

8:30 am08:30 IST (Irish Standard Time) (Dublin, Ireland). Offset UTC +1:00 hour
1:00 pm13:00 India Standard Time (IST). Offset UTC +5:30 hours
7:30 am07:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours

8:30 am08:30 Dublin, Ireland / 1:00 pm13:00 IST / 7:30 am07:30 UTC

Dublin, Ireland IST UTC
12am (midnight) 4:30 am 11pm
1am 5:30 am 12am (midnight)
2am 6:30 am 1am
3am 7:30 am 2am
4am 8:30 am 3am
5am 9:30 am 4am
6am 10:30 am 5am
7am 11:30 am 6am
8am 12:30 pm 7am
9am 1:30 pm 8am
10am 2:30 pm 9am
11am 3:30 pm 10am
12pm (noon) 4:30 pm 11am
1pm 5:30 pm 12pm (noon)
2pm 6:30 pm 1pm
3pm 7:30 pm 2pm
4pm 8:30 pm 3pm
5pm 9:30 pm 4pm
6pm 10:30 pm 5pm
7pm 11:30 pm 6pm
8pm 12:30 am 7pm
9pm 1:30 am 8pm
10pm 2:30 am 9pm
11pm 3:30 am 10pm
0:00 4:30 23:00
1:00 5:30 0:00
2:00 6:30 1:00
3:00 7:30 2:00
4:00 8:30 3:00
5:00 9:30 4:00
6:00 10:30 5:00
7:00 11:30 6:00
8:00 12:30 7:00
9:00 13:30 8:00
10:00 14:30 9:00
11:00 15:30 10:00
12:00 16:30 11:00
13:00 17:30 12:00
14:00 18:30 13:00
15:00 19:30 14:00
16:00 20:30 15:00
17:00 21:30 16:00
18:00 22:30 17:00
19:00 23:30 18:00
20:00 0:30 19:00
21:00 1:30 20:00
22:00 2:30 21:00
23:00 3:30 22:00

Dublin Information

Time Zone

Abbreviation / Name
IST - Irish Standard Time
GMT - Greenwich Mean Time
UTC / GMT Offset
+1:00 hour during Irish Standard Time, currently in use.
0:00 hours during Greenwich Mean Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 1am to 2am Sunday, March 30, 2025 at 1:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 30, 2025, 2:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, October 26, 2025 at 2:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 26, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Dublin Facts

Country
Ireland
Alternative Names
Baile Atha Cliath, Baile Átha Cliath, Ciuda de Dublin, Ciudá de Dublín, DUB, Dablin, Diblin, Difelin, Divlyn, Doublino, Dublin, Dublin city, Dublina, Dublinas, Dublini, Dublino, Dublinu, Dublín, Dublîn, Dueblin, Dulenn, Dulyn, Dyflinn, Düblin, Eblana, dabalina, dablin, dablina, daburin, dbln, dblyn, deobeullin, dou bai lin, dublini, dwblyn, taplin, Δουβλίνο, Даблин, Дублин, Дублін, Дъблин, Դուբլին, דבלין, דובלין, دبلن, دوبلين, دوبلین, دۇبلىن, ڈبلن, ډبلن, ܕܒܠܢ, डब्लिन, दब्लिन, ডাবলিন, ਡਬਲਿਨ, டப்லின், ಡಬ್ಲಿನ್, ഡബ്ലിൻ, ดับลิน, དུབ་ལིན།, ဒပ်ဗလင်မြို့, დუბლინი, ደብሊን, ダブリン, 都柏林, 더블린
Population
1,024,027
Currency
Euro (EUR)
Geographic Coordinates
53° 19' N Latitude / 6° 14' W Longitude
International Dialing Code
+353

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: India

Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai

Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
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
  • Iran Standard Time - UTC +3:30

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • 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