World Timezones

IST to WIB Converter

Compare WIB to IST instead
India Standard Time10:06 amFri, Jun 5
India Standard TimeIST
Asia · UTC+5:30
10:06 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Western Indonesia TimeWIB
Asia · UTC+7
11:36 amFri, Jun 5
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a

Offset

The time difference between India Standard Time and Western Indonesia Time is 1.5 hours.

1.5 hours

India Standard Time (IST) is behind Western Indonesia Time (WIB).

IST: UTC+5:30

WIB: UTC+7

Neither India Standard Time nor Western Indonesia Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–4 PM in India Standard Time (10 AM–5 PM in Western Indonesia Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM India Standard Time (1:30 PM Western Indonesia Time).

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Indonesia

  • New Year's DayThu, Jan 1
  • Good FridayFri, Apr 3
  • Easter SundaySun, Apr 5
  • Labour DayFri, May 1
  • Ascension DayThu, May 14
  • Pancasila DayMon, Jun 1
  • Independence DayMon, Aug 17
  • Christmas DayFri, Dec 25

About these zones

India Standard Time is also known as IST. To call India, dial +91.

Western Indonesia Time is also known as WIB. To call Indonesia, dial +62.

Western Indonesia Time is approximately 2,900 miles southeast of India Standard Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

ISTWIBDay
12:00 am1:30 amSame day
1:00 am2:30 amSame day
2:00 am3:30 amSame day
3:00 am4:30 amSame day
4:00 am5:30 amSame day
5:00 am6:30 amSame day
6:00 am7:30 amSame day
7:00 am8:30 amSame day
8:00 am9:30 amSame day
9:00 am10:30 amSame day
10:00 am11:30 amSame day
11:00 am12:30 pmSame day
12:00 pm1:30 pmSame day
1:00 pm2:30 pmSame day
2:00 pm3:30 pmSame day
3:00 pm4:30 pmSame day
4:00 pm5:30 pmSame day
5:00 pm6:30 pmSame day
6:00 pm7:30 pmSame day
7:00 pm8:30 pmSame day
8:00 pm9:30 pmSame day
9:00 pm10:30 pmSame day
10:00 pm11:30 pmSame day
11:00 pm12:30 am+1 day

Daylight saving time

Neither India Standard Time nor Western Indonesia Time observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

India Standard Time
Sunrise
6:01 AM
Sunset
7:15 PM
Day length
13h 14m
Western Indonesia Time
Sunrise
5:59 AM
Sunset
5:45 PM
Day length
11h 47m

Daylight overlap: 10h 14m — 6:01 AM–4:15 PM in India Standard Time (7:31 AM–5:45 PM in Western Indonesia Time). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

Airports in Western Indonesia Time

  • CGK
  • HLP
  • SUB
  • BDO
  • KNO
  • PLM
  • SRG

Related conversions

Common conversions

What is 9:00 am IST in WIB?
9:00 am IST is 10:30 am WIB.
What is 12:00 pm IST in WIB?
12:00 pm IST is 1:30 pm WIB.
What is 12:30 pm IST in WIB?
12:30 pm IST is 2:00 pm WIB.
What is 2:00 pm IST in WIB?
2:00 pm IST is 3:30 pm WIB.
What is 5:00 pm IST in WIB?
5:00 pm IST is 6:30 pm WIB.
What is 11:30 pm IST in WIB?
11:30 pm IST is 1:00 am WIB, the next day.