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WAT to IST Converter

IST is 4 hours and 30 minutes ahead of WAT

Current WAT Time
--:--:-- --
Africa/Lagos
Current IST Time
--:--:-- --
Asia/Kolkata
Time Diff
4h 30m ahead
WAT
UTC+1
IST
UTC+5:30
Overlapping hours: 9:00 AM – 0.5:00 PM WAT (3.5h)

WAT to IST Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in IST

WAT to IST time conversion table showing all 24 hours
WAT IST
12:00 AM 4:30 AM
1:00 AM 5:30 AM
2:00 AM 6:30 AM
3:00 AM 7:30 AM
4:00 AM 8:30 AM
5:00 AM 9:30 AM
6:00 AM 10:30 AM
7:00 AM 11:30 AM
8:00 AM 12:30 PM
9:00 AM 1:30 PM
10:00 AM 2:30 PM
11:00 AM 3:30 PM
12:00 PM 4:30 PM
1:00 PM 5:30 PM
2:00 PM 6:30 PM
3:00 PM 7:30 PM
4:00 PM 8:30 PM
5:00 PM 9:30 PM
6:00 PM 10:30 PM
7:00 PM 11:30 PM
8:00 PM 12:30 AM +1d
9:00 PM 1:30 AM +1d
10:00 PM 2:30 AM +1d
11:00 PM 3:30 AM +1d

Converting West Africa Time to India Standard Time

West Africa Time (WAT) and India Standard Time (IST) are separated by a 4 hours and 30 minutes time difference. IST is 4 hours and 30 minutes ahead of WAT. WAT is UTC+1, used in Nigeria, Cameroon, Niger, while IST is UTC+5:30, used in India, Sri Lanka.

When converting from WAT to IST, the key reference points to remember are: 9:00 AM WAT equals 1:30 PM IST, 12:00 PM noon WAT equals 4:30 PM IST, and 5:00 PM WAT equals 9:30 PM IST. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across WAT and IST

For professionals scheduling meetings between WAT and IST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 4 hours and 30 minutes difference, the window of overlap may be limited. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

WAT does not observe Daylight Saving Time, maintaining UTC+1 year-round. IST does not observe DST, staying at UTC+5:30 year-round.

Frequently Asked Questions

What is the time difference between WAT and IST?
India Standard Time (IST) is 4 hours and 30 minutes ahead of West Africa Time (WAT). When it is 12:00 PM noon in WAT, it is 4:30 PM in IST.
How do I convert WAT to IST?
To convert WAT to IST, add 4 hours and 30 minutes to the WAT time. For example, 9:00 AM WAT is 1:30 PM IST. Use the conversion table above for a quick reference of all 24 hours.
Does WAT or IST observe Daylight Saving Time?
WAT does not observe Daylight Saving Time. IST does not observe Daylight Saving Time. During DST transitions, the time difference between these zones may change by 1 hour.
What is the best time to schedule a call between WAT and IST?
The best time to schedule a call between WAT and IST is during overlapping business hours. If you are in WAT, try scheduling between 9:00 AM and 5:00 PM your time, then check the conversion table above to see what that corresponds to in IST.
Is WAT ahead or behind IST?
WAT (UTC+1) is 4 hours and 30 minutes behind IST (UTC+5:30). WAT corresponds to the IANA time zone Africa/Lagos, while IST corresponds to Asia/Kolkata.

Related Conversions

Time Zone Info