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Ouémé, Benin

Ouémé uses West Africa Time, UTC+1, throughout the year. Porto-Novo and every other community in the department share Benin’s national clock and do not observe daylight saving time.

Porto-Novo, Benin

Saturday, 5 September 2026

UTC+1 · Africa/Porto-Novo

Time and sun data for Porto-Novo — the largest city of Ouémé

The sun in Porto-Novo

Sunrise 6:43 AM Solar noon 12:50 PM Sunset 6:56 PM Daylight 12 h 13 min Night 11 h 47 min Civil twilight 6:22 AM – 7:17 PM

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Current time in Ouémé, Benin

The displayed time applies in Porto-Novo, Sèmè-Kpodji, Adjarra, Avrankou and throughout Ouémé. A trip within the department—or anywhere else in Benin—does not cross a time-zone boundary. UTC is one hour behind Ouémé. Add one hour when converting from UTC and subtract one hour when converting back. The rule is unchanged in every season.

Porto-Novo often appears as the representative city in software time-zone lists because it is Benin’s capital. In this case, choosing Porto-Novo correctly represents Ouémé and the entire country. Porto-Novo lends its name to the time-zone entry, but it does not keep the hour all to itself.

Porto-Novo and other Ouémé centers

Porto-Novo is both the national capital and the principal city of Ouémé. The department includes urban, lagoon-side and inland communities, all synchronized to the same official time. Notable centers include:

Porto-Novo Sèmè-Kpodji Adjarra Akpro-Missérété Avrankou, Adjohoun, Bonou, Dangbo and Aguégués A calendar entry made for an event in Porto-Novo needs no conversion for a participant in Sèmè-Kpodji. The practical differences are distance and travel conditions. The stated hour means the same thing at both locations.

International scheduling is different. If a partner city changes its clocks for daylight saving time, its gap from Ouémé may increase or decrease. Checking the meeting date avoids assigning that foreign change to Benin by mistake.

Sunrise in eastern southern Benin

Sunrise depends on coordinates and date, not merely the time-zone label. Porto-Novo is useful as a departmental reference, but Sèmè-Kpodji, Adjarra and communities along the Ouémé River occupy different positions and can have slightly different calculated times.

Eastern locations generally encounter sunrise a little earlier than western locations at a similar latitude. This geographical effect occurs while every clock continues to show UTC+1. Seasonal changes in the sun’s apparent path also move sunrise and sunset gradually through the calendar.

For an early river journey, commute or outdoor gathering, use the nearest available location. The astronomical result assumes a clear horizon; lagoon haze, cloud, trees and buildings may postpone the first visible direct sunlight. Dawn itself starts before the published sunrise time.

Questions and answers

Is Porto-Novo in Ouémé?
Yes. Porto-Novo is the principal city of Ouémé and the capital of Benin.
What UTC offset does Ouémé use?
Ouémé uses UTC+1, known as West Africa Time.
Are sunrise times identical across the department?
No. They vary slightly with the date and the observer’s exact location.
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