Nigeria uses West Africa Time (WAT), UTC+1, year-round. Nigeria has never observed daylight saving time. Every city in Nigeria — Lagos, Abuja, Port Harcourt, Kano, Ibadan, Benin City — uses the same WAT (UTC+1) offset with no seasonal adjustment.

Nigeria time zone at a glance

Does Nigeria have one time zone?

Yes — Nigeria operates a single national time zone, WAT (UTC+1), across all 36 states and the Federal Capital Territory (Abuja). Despite spanning a wide longitude range east to west, Nigeria does not divide into multiple time zones. This simplifies internal scheduling significantly.

The IANA timezone database uses Africa/Lagos as the canonical identifier for Nigerian time, covering all Nigerian cities by extension.

Nigeria and London — time relationship

During Greenwich Mean Time (GMT, UTC+0) — late October to late March — Nigeria is 1 hour ahead of London. During British Summer Time (BST, UTC+1) — late March to late October — London advances to UTC+1, the same offset as Nigeria. The gap disappears entirely during BST.

This creates an interesting practical reality: for roughly half the year, you can schedule a London call with Lagos at any mutual working hour without adjusting for time zone at all.

Nigeria and the United States — time relationship

Nigeria (WAT, UTC+1) is 6 hours ahead of New York during Eastern Standard Time (EST, UTC-5, winter) and 5 hours ahead during Eastern Daylight Time (EDT, UTC-4, summer). The practical call window from New York is 7:00–11:00 ET in winter — this reaches Lagos at 13:00–17:00 WAT.

Historical note — Nigeria's timezone

Nigeria adopted WAT (UTC+1) in 1919 under British colonial administration, aligning it with the West African coastal time standard. The country has maintained UTC+1 without interruption since independence in 1960. There have been no proposals for a DST system in Nigeria — the equatorial proximity makes seasonal daylight adjustments unnecessary.

Unlike some tools that display Nigeria as "GMT+1" (technically accurate but using a deprecated notation), TimezoneLink uses the IANA-standard UTC+1 and Africa/Lagos identifier, which is the current technical standard for software and system time.