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Ethiopia: a calendar with 13 months

The Ethiopian calendar has 13 months and runs about seven years behind the Gregorian one, in a country that was never fully colonised.

The story

The country with 13 months

Ethiopia has its own calendar, with 13 months: twelve of 30 days and a short thirteenth month of five or six days. It runs about seven to eight years behind the Gregorian calendar, and the new year starts in September, so late 2026 is still the Ethiopian year 2019.

It is a large country, with 1,104,300 km² and about 138 million people as of 2026. The capital and largest city is Addis Ababa, the currency is the birr, and the time zone is UTC+3. Official languages include Amharic, Oromo, Somali, Tigrinya and Afar.

Ethiopia has the second-largest number of UNESCO World Heritage Sites in Africa. Lalibela, a capital of the Zagwe dynasty, is known for its rock-hewn churches, and Aksum was once the centre of a major ancient kingdom.

For a visit, the calendar is a good detail to check early. You may see two dates on signs and documents, and Ethiopians traditionally count the hours of the day from sunrise, so confirm times in writing when you book transport and tours. Conditions differ by region and change, so check your government’s travel advice before you book and again before you leave.

Italy invaded in 1935 and ruled from 1936 to 1941, but Ethiopia, along with Liberia, is described as the only African country never fully colonised. It is often considered the birthplace of coffee, with cultivation said to have begun in the 9th century.

13months in the Ethiopian year
1,104,300 km²area, the 26th largest country
2ndmost UNESCO sites in Africa

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Practical guide

Plan your Ethiopia trip

Check before you go: Check your government’s travel advice before booking, since conditions differ by region and change.

The calendar

  • Twelve months of 30 days and a short thirteenth month.
  • About seven to eight years behind the Gregorian calendar.
  • The new year starts in September.

Money and language

  • The currency is the birr.
  • Official languages include Amharic, Oromo, Somali, Tigrinya and Afar.

Climate

  • In Addis Ababa, a dry season runs October to February.
  • A light rainy season runs March to May and a heavy one June to September.

Heritage

  • Second-largest number of UNESCO sites in Africa.
  • Lalibela and Aksum are historic centres.

Coffee

  • Often considered the birthplace of coffee.
  • Cultivation is said to have begun in the 9th century.

Time zone

  • UTC+3 (East Africa Time).
  • Ethiopians traditionally count hours differently from the 12-hour clock.

Details come from Wikipedia and general reference and may not show the latest advice. Check official travel advice before you go. We checked on November 1, 2026. Entry rules, fees and prices change, so confirm them with official sources before you reserve.

Want the full picture? Read our complete Ethiopia travel guide: how the 13-month calendar works, what to see and what to check before you go.
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Sources checked November 1, 2026: Wikipedia: Ethiopia · Ethiopian Airlines