What is the time difference between GMT and WAT?

West Africa Time (WAT) is 0 hours the same as Greenwich Mean Time (GMT). GMT uses a UTC offset of UTC+1, while WAT uses UTC+1. For example, when it's 9:00 AM in GMT, it's 9:00 AM in WAT. Note that this difference may shift by one hour during daylight saving time transitions if GMT observes DST. Use the conversion table above to see the exact time for each hour of the day.

How do I convert GMT to WAT?

GMT and WAT share the same UTC offset (UTC+1), so no conversion is needed. 9:00 AM GMT is 9:00 AM WAT. This makes scheduling meetings and calls between these two timezones straightforward since there is no time difference to account for. The conversion table above confirms that every hour maps directly.

What time is it in WAT when it's noon in GMT?

When it's 12:00 PM (noon) in GMT, it's also 12:00 PM in WAT since both timezones share the same UTC offset of UTC+1. This means lunch hour, business meetings, and deadlines occur at the same clock time in both zones. No time conversion is needed when coordinating between GMT and WAT.

How many hours apart is WAT from GMT?

GMT and WAT are in the same UTC offset (UTC+1), so there is no time difference between them. Events scheduled in one timezone occur at the same clock time in the other. This makes cross-timezone coordination between GMT and WAT regions effortless.

Is WAT ahead or behind GMT?

Neither — GMT and WAT share the same UTC offset (UTC+1) and always show the same time. Clocks in both timezones display identical hours and minutes at any given moment. There is no need to convert between these two timezones when scheduling across them.

Does GMT observe daylight saving time?

Yes, Greenwich Mean Time observes daylight saving time. During DST, the abbreviation changes to BST and clocks move forward by one hour, typically in spring. Clocks then fall back in autumn, returning to standard GMT time. This means the UTC offset for GMT shifts between two values depending on the season. Check our DST change calendar for exact transition dates that may affect your GMT to WAT conversions.

Does WAT observe daylight saving time?

No, West Africa Time does not observe daylight saving time. The UTC offset of UTC+1 remains the same year-round, making time conversions to WAT more predictable. Countries and regions in this timezone keep their clocks unchanged regardless of the season.

What is the best time to call from GMT to WAT?

Since GMT and WAT share the same UTC offset, any time that works for you will also work for the other party. Standard business hours of 9:00 AM to 5:00 PM are ideal for professional calls. The conversion table above confirms that every hour aligns between these two timezones.

When does daylight saving time change in GMT?

Daylight saving time transitions vary by year and region. Greenwich Mean Time observes DST, which typically shifts clocks forward by one hour in spring ("spring forward") and back in fall ("fall back"). During these transition periods, the time difference between GMT and WAT may temporarily change by one hour, which can cause confusion for scheduled meetings or calls. It's important to double-check your conversions around transition dates, especially if the two timezones switch on different dates. Check our DST change calendar for exact transition dates in the current year.

GMT to WAT Converter

Convert Greenwich Mean Time to West Africa Time. See the hour-by-hour conversion table below.

Upcoming DST Change

UK Time (BST) will fall back on October 25. Clocks will shift by 1 hour (BST → GMT).

View all DST changes

Timezone Details

Greenwich Mean Time

11:33 AM

Saturday, October 24, 2026

BST (UTC+01:00)

West Africa Time

11:33 AM

Saturday, October 24, 2026

WAT (UTC+01:00)

Difference: +0 hours

BST DST: Yes (BST)

WAT DST: No

24-Hour Overview

BST — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

WAT — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

Frequently Asked Questions

Related Conversions

WAT to GMT EST to GMT GMT to EST PST to GMT GMT to PST GMT to IST IST to GMT GMT to CET CET to GMT

Cities in These Timezones

GMT Cities

London Manchester Edinburgh

WAT Cities

Lagos Abuja

More Tools

Compare GMT & WAT Plan a Meeting (GMT & WAT)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

Greenwich Mean Time on Wikipedia West Africa Time on Wikipedia IANA Time Zone Database