Most clocks in Africa today tick to decisions made by railway engineers in the 1880s. Before that, noon was when the sun stood directly overhead, and that was enough. A village in what is now western Nigeria hit noon eleven minutes after a village to its east. Nobody cared. Travel took days, news travelled at a runner’s pace, and the sun governed everything that mattered: planting, trading, prayer.
Then the railways arrived, and suddenly eleven minutes could kill.
Pre-Colonial Timekeeping: The Sun Alone
Solar time ruled. Farmers moved with the rains, not a clock. Traders set caravan departures by daylight. Across North and West Africa, Muslim communities calculated the five daily prayers from the sun’s position. The equation of time, the gap between apparent solar time and mean time, shifted prayer schedules by minutes across the year. That precision mattered. A standardised zone did not.
No continent-wide system existed because no continent-wide problem required one. The problem arrived with steel rails and telegraph wires.
Colonial Railway Time Arrives
A single-track railway with two trains running on different local times is a collision waiting to happen. Telegraph operators needed to know when a message sent from one station would land at another. European powers solved both problems the same way they had at home: they imposed standard time on their territories. The British, French, Portuguese, Germans, and Belgians each imported their own logic. None of it considered African geography. It was administrative convenience, painted onto the map.
The British led. They had standardised time across their own islands in the 1840s and carried the habit abroad. By the 1880s, British territories in Africa had begun adopting GMT-based offsets. The French took a different route entirely.
British Territories: GMT-Based Offsets
British territories generally aligned with Greenwich. Nigeria adopted GMT+1 in 1905. Colonial railway records document the shift, though historians still debate whether Lagos shipping schedules or inland railway operations drove the choice. Nigeria has kept that offset ever since.
East Africa went further. Kenya, Uganda, and Tanzania sat far enough east that GMT+1 would have put noon at 1 p.m. solar time. They settled on GMT+3, roughly aligning with the Arabian Peninsula. Nairobi and Dar es Salaam still run on UTC+3.
Southern Africa chose GMT+2. South Africa, Rhodesia (now Zimbabwe and Zambia), and the protectorates of Bechuanaland (Botswana), Basutoland (Lesotho), and Swaziland (Eswatini) all adopted what became Central Africa Time. The Cape had experimented with a curious "Cape Time" running 1 hour and 12 minutes ahead of GMT. The railway network forced a clean UTC+2 by 1903.
West Africa was simpler. Ghana, Sierra Leone, and the Gambia stayed on GMT itself: UTC+0. They saw no reason to shift, and they have not shifted since. Ghana remains on GMT today, a fact that confuses visitors who expect "West Africa" to mean one uniform offset.
French Territories: Paris Mean Time to UTC
Paris Mean Time ran 9 minutes and 21 seconds ahead of GMT. It served as the reference for French territories into the early twentieth century. That created an absurdity: a town in Senegal and a town in Chad both set their clocks by Paris, regardless of actual longitude.
French West Africa, a federation spanning modern Senegal, Mali, Guinea, Ivory Coast, Benin, and Niger, initially operated on Paris Mean Time. So did French Equatorial Africa: modern Gabon, Congo-Brazzaville, Central African Republic, and Chad. Dakar and Brazzaville, separated by thousands of kilometres and several degrees of longitude, shared a single time.
France adopted GMT+1 as its own standard time in 1911, though it kept the name "Paris Mean Time" until 1940. French territories followed, running on UTC+1 for decades. By the 1950s, most of French West Africa had settled on UTC+0. That is why Senegal, Mali, Ivory Coast, and Guinea all run on GMT today, despite being firmly in West Africa. French Equatorial Africa, further east, took UTC+1. Cameroon, Gabon, and Congo-Brazzaville use West Africa Time as a result.
Post-Independence: Keep or Change?
When African nations gained independence, mostly in the 1950s and 1960s, they faced a choice: keep the inherited offset or change it. Most kept it. Changing time zones meant recalculating railway schedules, broadcasting schedules, and business hours. For new governments with a hundred urgent priorities, time zone reform rarely cracked the top ten.
A handful of countries did change. Their reasons were political, practical, or both. The result is the patchwork of offsets visible today.
Cabo Verde: Breaking from Portugal
The most dramatic post-independence shift came in Cabo Verde. The archipelago, off the coast of Senegal, had operated on UTC-2 under Portuguese rule. In 1975, two years after independence, the government moved the islands to UTC-1. The change aligned Cabo Verde with its West African neighbours and ended its status as the only African territory west of the Greenwich meridian. The move took effect 1 November 1975.
Namibia: Finally Aligning with Neighbours
Namibia gained independence from South Africa in 1990 and inherited UTC+1 with daylight saving time. That made it an outlier in southern Africa, where everyone else ran on UTC+2. After decades of debate, Namibia abolished daylight saving time in 2017 and moved to UTC+2 year-round. The change brought Namibia into line with South Africa, Botswana, and Zimbabwe.
South Sudan: A New Country, a Familiar Offset
South Sudan became independent in 2011 and adopted Central Africa Time (UTC+2). This aligned it with Sudan, its northern neighbour and former ruler. Juba and Khartoum had shared a time zone for decades. Breaking that link would have complicated trade and travel. The IANA database created Africa/Juba the same year.
Libya: The Volatile Zone
Libya has shifted between UTC+1 and UTC+2 multiple times since independence. Muammar Gaddafi moved the country to UTC+2 in 1981, back to UTC+1 in 1990, then forward again in 2013. The on-again, off-again relationship with daylight saving time has made Libya one of the most volatile time zone stories in Africa. As of the 2026 IANA data, Libya sits at UTC+2 (EET) with no DST.
The African Union and Formal Zone Recognition
The African Union has never set time zone policy. It has no authority to do so, and no African country has asked it to. Time zones remain a matter of national sovereignty.
What the AU has done is recognise the three standard offsets that cover most of the continent: West Africa Time (UTC+1), Central Africa Time (UTC+2), and East Africa Time (UTC+3). These designations appear in AU documents and meeting schedules, giving them a formal status they would not otherwise have. The recognition emerged gradually through working documents rather than a single resolution.
The AU also coordinates meeting times across its member states. A summit must account for Cairo running on UTC+2, Lagos on UTC+1, and Nairobi on UTC+3. That is why AU meetings often start at odd hours: 10 a.m. Addis Ababa time is 9 a.m. Cairo time and 8 a.m. in most of West Africa.
Why Most of Africa Rejects Daylight Saving Time
Daylight saving time has a short, mostly failed history on the continent. Most countries have never tried it. Those that did mostly abandoned it. Near the equator, day length barely varies. Shifting clocks achieves nothing. Further from the equator, the benefits are marginal.
Egypt: A Century of Indecision
Egypt has the longest DST history in Africa. It first observed daylight saving time in 1957, five years after the revolution that ousted King Farouk. The practice continued, with interruptions, until 2015, when the government abolished it. In 2023, Egypt brought DST back. The 2026 IANA data shows Egypt on EEST (UTC+3), implying DST is active. Anyone planning travel to Egypt should check current rules before booking. The status changes frequently.
Morocco and Ramadan: A Unique Compromise
Morocco has observed daylight saving time since 2008, but with a twist no European country uses: Morocco suspends DST during Ramadan. The country shifts to UTC+1 in summer, back to UTC+0 during the holy month, then forward again. This creates a schedule where Morocco's offset changes twice a year, in addition to the standard European DST shift. Western Sahara follows the same schedule de facto.
The Abandoners
Tunisia used DST from 2005 to 2008, then dropped it. Libya trialled DST in 2013 and abandoned it the same year. Namibia used it until 2017, then abolished it. Mauritius tried it in 2008 and 2009, then gave up. The pattern is clear: DST does not fit most African realities.
The IANA Database: Where History Lives in Code
All of this history is encoded in the IANA time zone database, the authoritative source that computers worldwide use to calculate local time. The database, maintained by volunteers and shipped with every major operating system, tracks every time zone change in Africa since 1970.
Zones, Offsets, and Aliases
The database assigns each African country at least one zone. Many have several. The Democratic Republic of the Congo has four IANA zones, though it uses only two actual offsets (UTC+1 and UTC+2). Nigeria has one. South Africa has one. The database also tracks aliases: Africa/Asmara points to Africa/Nairobi, because Eritrea and Kenya have shared the same time since 1960. Comoros, Madagascar, and Mayotte all point to Africa/Nairobi as well.
How Your Phone Knows the Time in Lagos
When a country changes its time zone, as Namibia did in 2017, the database is updated. The next time your phone syncs, it picks up the change. Africa/Windhoek was updated to reflect permanent UTC+2. Africa/Casablanca has been updated multiple times in the past decade to reflect Morocco's shifting DST rules. The history of Africa's time zones is not an academic curiosity. It is encoded in the software that runs the world.
How Africa's Time Zone History Affects You Today
Africa spans from UTC-1 in Cabo Verde to UTC+4 in Mauritius, Seychelles, and Reunion. Most of the continent runs on UTC+1, UTC+2, or UTC+3. Ghana and Senegal stay on UTC+0. Only Morocco, Egypt, and Western Sahara observe daylight saving time as of the 2026 data.
Do not assume "West Africa Time" means one thing. Nigeria, Ghana, Senegal, and Morocco all sit in West Africa, yet they run on three different offsets. Do not assume "Central Africa Time" includes South Africa. South Africa uses its own name, SAST, even though it shares UTC+2. And do not confuse "African time", a phrase about social punctuality, with any actual time zone.
The offsets on your phone are the product of colonial railway schedules, post-independence identity choices, and a handful of countries that still cannot settle on a single answer. That history is still being written, one IANA update at a time.