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AST to WAT Converter

WAT is 5 hours ahead of AST

Current AST Time
--:--:-- --
America/Halifax
Current WAT Time
--:--:-- --
Africa/Lagos
Time Diff
5h ahead
AST
UTC-4
WAT
UTC+1
Overlapping hours: 9:00 AM – 12:00 PM AST (3h)

AST to WAT Conversion Table

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

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

Converting Atlantic Standard Time to West Africa Time

Atlantic Standard Time (AST) and West Africa Time (WAT) are separated by a 5 hours time difference. WAT is 5 hours ahead of AST. AST is UTC-4, used in Canada, Puerto Rico, US Virgin Islands, while WAT is UTC+1, used in Nigeria, Cameroon, Niger.

When converting from AST to WAT, the key reference points to remember are: 9:00 AM AST equals 2:00 PM WAT, 12:00 PM noon AST equals 5:00 PM WAT, and 5:00 PM AST equals 10:00 PM WAT. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across AST and WAT

For professionals scheduling meetings between AST and WAT, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 5 hours 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

AST observes Daylight Saving Time, switching to ADT (UTC-3) during summer months. WAT does not observe DST, staying at UTC+1 year-round. During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.

Frequently Asked Questions

What is the time difference between AST and WAT?
West Africa Time (WAT) is 5 hours ahead of Atlantic Standard Time (AST). When it is 12:00 PM noon in AST, it is 5:00 PM in WAT.
How do I convert AST to WAT?
To convert AST to WAT, add 5 hours to the AST time. For example, 9:00 AM AST is 2:00 PM WAT. Use the conversion table above for a quick reference of all 24 hours.
Does AST or WAT observe Daylight Saving Time?
AST observes Daylight Saving Time, switching to ADT (UTC-3). WAT 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 AST and WAT?
The best time to schedule a call between AST and WAT is during overlapping business hours. If you are in AST, 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 WAT.
Is AST ahead or behind WAT?
AST (UTC-4) is 5 hours behind WAT (UTC+1). AST corresponds to the IANA time zone America/Halifax, while WAT corresponds to Africa/Lagos.

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Time Zone Info