IST
India Standard Time
GMT +5:30
WIT
Eastern Indonesian Time
GMT +9

Time Difference

India Standard Time is 3 hours and 30 minutes behind of Eastern Indonesian Time
7:00 pm19:00 in IST is 10:30 pm22:30 in WIT

IST to WIT call time
Best time for a conference call or a meeting is between 8am-2:30pm in IST which corresponds to 11:30am-6pm in WIT

7:00 pm19:00 India Standard Time (IST). Offset UTC +5:30 hours
10:30 pm22:30 Eastern Indonesian Time (WIT). Offset UTC +9:00 hours

7:00 pm19:00 IST / 10:30 pm22:30 WIT

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

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 Indonesian Time

Offset: WIT is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Indonesia

Principal Cities: The largest city in the WIT timezone is Ambon from Indonesia with population about 355,596 people. Other major cities in the area are Jayapura, Sorong, Ternate, Abepura

Daylight Saving: Eastern Indonesian Time (WIT) is not adjusted for daylight saving therefore WIT 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, Eastern Indonesian Time remains the same

WIT Time Zone Geo Map
WIT timezone map

WIT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine 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
  • India - Military abbreviation for WIT
  • I - short form of 'India'
IANA/Olson: Reflects WIT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Jayapura
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time
  • +09 -