Time zone converter

WAT to IST

India Standard Time (IST) is 4 hours 30 minutes ahead of West Africa Time (WAT) all year: 9:00 AM WAT is 1:30 PM IST.

West Africa Time
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Current time in West Africa Time
India Standard Time
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Current time in India Standard Time
Pick a date and time to convert.

IST vs WAT over the next 12 months

PeriodIST isExample
Oct 23, 2026 onwards4 hours 30 minutes ahead9:00 AM WAT = 1:30 PM IST

WAT to IST conversion table

Every hour of a weekday around Oct 23, 2026, in both zones.

West Africa TimeIndia Standard Time
12:00 AM4:30 AM
1:00 AM5:30 AM
2:00 AM6:30 AM
3:00 AM7:30 AM
4:00 AM8:30 AM
5:00 AM9:30 AM
6:00 AM10:30 AM
7:00 AM11:30 AM
8:00 AM12:30 PM
9:00 AM1:30 PM
10:00 AM2:30 PM
11:00 AM3:30 PM
12:00 PM4:30 PM
1:00 PM5:30 PM
2:00 PM6:30 PM
3:00 PM7:30 PM
4:00 PM8:30 PM
5:00 PM9:30 PM
6:00 PM10:30 PM
7:00 PM11:30 PM
8:00 PM12:30 AM (next day)
9:00 PM1:30 AM (next day)
10:00 PM2:30 AM (next day)
11:00 PM3:30 AM (next day)

Best time for a meeting

Normal 9-to-5 working hours overlap for 3 hours 30 minutes on a weekday: 9:00 AM–12:30 PM WAT, which is 1:30 PM–5:00 PM IST.

Comparing more than two places? The meeting planner lines up working hours for up to six cities.

Daylight saving time

Neither WAT nor IST changes its clocks, so the difference is the same all year.

Where these clocks are used

  • West Africa Time (WAT): Lagos, Kinshasa, Luanda. IANA zone Africa/Lagos.
  • India Standard Time (IST): all of India: Mumbai, Delhi, Bengaluru, Chennai. IANA zone Asia/Kolkata.

Questions

What time is it in IST when it is 9 AM WAT?

On Oct 23, 2026, 9:00 AM WAT is 1:30 PM IST.

How many hours ahead of WAT is IST?

IST is always 4 hours 30 minutes ahead of WAT.

Do WAT and IST observe daylight saving time?

West Africa Time stays on UTC+1 all year. India Standard Time stays on UTC+5:30 all year.

What is the best time for a meeting between WAT and IST?

Normal 9-to-5 working hours overlap for 3 hours 30 minutes on a weekday: 9:00 AM–12:30 PM WAT, which is 1:30 PM–5:00 PM IST.

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Related conversions

Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.