IST to WITA Converter

Updating current time…
IST
India Standard Time
UTC+5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WITA
Central Indonesian Time
UTC+8
2h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:30 pm17:30 IST (UTC+5:30), Oct 17, 2026 = 8:00 pm20:00 WITA (UTC+8), Oct 17, 2026

IST is 2 hours and 30 minutes behind WITA.

IST and WITA examples

These examples always use IST (UTC+5:30) and WITA (UTC+8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

IST is 2 hours and 30 minutes behind WITA.

How the time difference changes

IST is 2 hours and 30 minutes behind WITA year-round.

Working hours of 9:00 am to 6:00 pm in IST correspond to 11:30 am to 8:30 pm in WITA.Working hours of 09:00 to 18:00 in IST correspond to 11:30 to 20:30 in WITA.

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

Time Difference

India Standard Time is 2 hours and 30 minutes behind Central Indonesian Time.
5:30 pm17:30 in IST is 8:00 pm20:00 in WITA

IST to WITA call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in IST which corresponds to 11:30am-6pm11:30-18:00 in WITA

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
8:00 pm20:00 Central Indonesian Time (WITA). Offset UTC +8:00 hours

5:30 pm17:30 IST / 8:00 pm20:00 WITA

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
ISTWITA
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12:30am next day
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India Standard Time

Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

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, Bengaluru, Hyderabad, Ahmedabad.

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; see upcoming clock changes worldwide.

Current time in India: India time now

Map of the areas on India Standard Time (IST)
IST all year

Open the world time zone map© OpenStreetMap

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

Central Indonesian Time

Offset: WITA is 8 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Indonesia

Principal Cities: The largest city in the WITA time zone is Makassar in Indonesia, with about 1.474 million people. Other major cities in this time zone include Samarinda, Balikpapan, Denpasar, Banjarmasin.

Daylight Saving: Clocks in Central Indonesian Time (WITA) do not change for daylight saving time, so WITA stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on Central Indonesian Time (WITA)
WITA all year

Open the world time zone map© OpenStreetMap

WITA representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for WITA
  • H - short form of 'Hotel'
IANA/Olson: Reflects WITA time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Makassar
  • Asia/Ujung_Pandang
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT