IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Ireland
GMT
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

India Standard Time is 5 hours and 30 minutes ahead of GMT (Greenwich Mean Time)
5:30 pm17:30 in IST is 12:00 pm12:00 in Dublin, Ireland

IST to Dublin call time
Best time for a conference call or a meeting is between 2:30pm-5pm in IST which corresponds to 9am-11:30am in Dublin

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (Dublin, Ireland). Offset UTC 0:00 hours

5:30 pm17:30 IST / 12:00 pm12:00 Dublin, Ireland

ISTDublin, Ireland
12am (midnight)6:30 pm
1am7:30 pm
2am8:30 pm
3am9:30 pm
4am10:30 pm
5am11:30 pm
6am12:30 am
7am1:30 am
8am2:30 am
9am3:30 am
10am4:30 am
11am5:30 am
12pm (noon)6:30 am
1pm7:30 am
2pm8:30 am
3pm9:30 am
4pm10:30 am
5pm11:30 am
6pm12:30 pm
7pm1:30 pm
8pm2:30 pm
9pm3:30 pm
10pm4:30 pm
11pm5:30 pm
00:0018:30
01:0019:30
02:0020:30
03:0021:30
04:0022:30
05:0023:30
06:0000:30
07:0001:30
08:0002:30
09:0003:30
10:0004:30
11:0005:30
12:0006:30
13:0007:30
14:0008:30
15:0009:30
16:0010:30
17:0011:30
18:0012:30
19:0013:30
20:0014:30
21:0015:30
22:0016:30
23:0017:30

India Standard Time

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

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

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 an offset of five hours and thirty minutes 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

Dublin Information

Time Zone

Abbreviation / Name
IST - Irish Standard Time
GMT - Greenwich Mean Time
UTC / GMT Offset
+1:00 hours 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 2amSunday, March 29, 2026 at 1:00 am local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 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 1amSunday, October 25, 2026 at 2:00 am local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 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