IST
India Standard Time
GMT +5:30
EEST/EET
Eastern European Summer Time
GMT +3
EET automatically adjusted to EEST time zone, that is in use

Time Difference

India Standard Time is 2 hours and 30 minutes ahead of Eastern European Summer Time
So 12:30 pm12:30 in IST is 10:00 am10:00 in EEST

12:30 pm12:30 India Standard Time (IST). Offset UTC +5:30 hours
10:00 am10:00 Eastern European Summer Time (EEST). Offset UTC +3:00 hours

12:30 pm12:30 IST / 10:00 am10:00 EEST

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

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


Eastern European Time

Offset: EET is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Åland Islands, Bulgaria, Cyprus, Estonia, Egypt, Finland, Greece, Jordan, Lebanon, Lithuania, Latvia, Libya, Moldova, Palestine, Romania, Russia, Syria, Ukraine

Principal Cities: The largest city in the EET timezone is Cairo from Egypt with population about 7.735 million people. Other major cities in the area are Alexandria, Kiev, Al Jizah, Beirut

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Eastern European Summer Time (EEST).

End: EET ended and clocks were set one hour forward on Sunday, March 31, 2019, at 3:00 (3:00 am) local time.

Start: EET starts and clocks are set one hour back on Sunday, October 27, 2019, at 4:00 (4:00 am) local time.

German: OEZ - Osteuropäische Zeit

EET Time Zone Geo Map
EET timezone map
EET 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 two hour and zero minutes time differences to the east of the zero meridian.

Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for EET
  • B - short form of 'Bravo'

IANA/Olson: Reflects EET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Cairo
  • Africa/Tripoli
  • Asia/Amman
  • Asia/Beirut
  • Asia/Damascus
  • Asia/Famagusta
  • Asia/Gaza
  • Asia/Hebron
  • Asia/Nicosia
  • EET
  • Egypt
  • Europe/Athens
  • Europe/Bucharest
  • Europe/Chisinau
  • Europe/Helsinki
  • Europe/Kaliningrad
  • Europe/Kiev
  • Europe/Mariehamn
  • Europe/Nicosia
  • Europe/Riga
  • Europe/Sofia
  • Europe/Tallinn
  • Europe/Tiraspol
  • Europe/Uzhgorod
  • Europe/Vilnius
  • Europe/Zaporozhye
  • Libya

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