World Timezones

IST to WAT Converter

Compare WAT 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
West Africa TimeWAT
Africa · UTC+1
5:36 amFri, Jun 5
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p

Offset

The time difference between India Standard Time and West Africa Time is 4.5 hours.

4.5 hours

India Standard Time (IST) is ahead of West Africa Time (WAT).

IST: UTC+5:30

WAT: UTC+1

Neither India Standard Time nor West Africa Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 2 PM–5 PM in India Standard Time (9 AM–12 PM in West Africa Time).

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

Suggested time: 3:00 PM India Standard Time (10:30 AM West Africa 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.

Nigeria

  • New Year's DayThu, Jan 1
  • Good FridayFri, Apr 3
  • Easter MondayMon, Apr 6
  • Workers' DayFri, May 1
  • Children's DayWed, May 27
  • Democracy DayFri, Jun 12
  • National DayThu, Oct 1
  • National Youth DaySun, Nov 1
  • Christmas DayFri, Dec 25
  • Boxing DayMon, Dec 28

About these zones

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

West Africa Time is also known as WAT. To call Nigeria, dial +234.

West Africa Time is approximately 4,750 miles west of India Standard Time.

Quick reference

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

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

Daylight saving time

Neither India Standard Time nor West Africa 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
West Africa Time
Sunrise
6:31 AM
Sunset
7:00 PM
Day length
12h 29m

Daylight overlap: 8h 13m — 11:01 AM–7:15 PM in India Standard Time (6:31 AM–2:45 PM in West Africa 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 West Africa Time

  • LOS
  • KAN
  • IBA
  • ABV
  • PHC
  • KAD
  • BNI
  • ABB

Related conversions

Common conversions

What is 9:00 am IST in WAT?
9:00 am IST is 4:30 am WAT.
What is 12:00 pm IST in WAT?
12:00 pm IST is 7:30 am WAT.
What is 12:30 pm IST in WAT?
12:30 pm IST is 8:00 am WAT.
What is 2:00 pm IST in WAT?
2:00 pm IST is 9:30 am WAT.
What is 5:00 pm IST in WAT?
5:00 pm IST is 12:30 pm WAT.
What is 11:30 pm IST in WAT?
11:30 pm IST is 7:00 pm WAT.