Ethiopian calendar date

Thirteen months, one of five days.

Also known as: Geez calendar date, Ethiopic calendar

Astrology & astronomyCulturalReligiousStandard profile

Meanings

The Ethiopian calendar's date notation, with twelve equal months and a short thirteenth.

Historically documentedVerified fact
Writes a date in the Ethiopian calendar of twelve thirty-day months and a thirteenth of five or six days.
Contexts: History, Religion
Historically documentedVerified fact
Divides the year into equal months and puts the remainder in a short thirteenth, which is a different solution from intercalating a whole month or lengthening a single one.
Contexts: History, Religion
Historically documentedVerified fact
Runs seven or eight years behind the Gregorian count because it uses a different calculation of the Incarnation, so the difference is doctrinal in origin rather than astronomical.
Contexts: History, Religion

Visual description

A day, a month name and a year written in Ethiopic numerals, the year running some seven or eight behind the Gregorian year.

Symmetry: none
Orientation: upright

Confidence

IdentityModerate confidence: Moderate confidence because the identity is documented in encyclopedic references, but only a single source has been found so far.
Historical originLow confidence: Low confidence because the historical origin is documented in encyclopedic references, but only a single source has been found so far, but the regional or cultural match to this specific claim is not precise.
Current useModerate confidence: Moderate confidence because the current use is documented in encyclopedic references, but only a single source has been found so far.
Visual matchModerate confidence: Moderate confidence because the visual match is documented in encyclopedic references, but only a single source has been found so far.

Sources

Calendar systems and horological notation
National almanac offices, observatories and horological scholarship · retrieved 2026-08-27
Cited for the identity and structure of a calendrical or horological convention. Not cited for the date of any observance, which is determined by the authorities of the tradition concerned and differs between them.

Last reviewed 2026-08-27

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Meanings

The Ethiopian calendar's date notation, with twelve equal months and a short thirteenth.

Historically documentedVerified fact

Writes a date in the Ethiopian calendar of twelve thirty-day months and a thirteenth of five or six days.

Contexts: History, Religion

Historically documentedVerified fact

Divides the year into equal months and puts the remainder in a short thirteenth, which is a different solution from intercalating a whole month or lengthening a single one.

Contexts: History, Religion

Historically documentedVerified fact

Runs seven or eight years behind the Gregorian count because it uses a different calculation of the Incarnation, so the difference is doctrinal in origin rather than astronomical.

Contexts: History, Religion

Confidence

IdentityModerate confidence: Moderate confidence because the identity is documented in encyclopedic references, but only a single source has been found so far.
Historical originLow confidence: Low confidence because the historical origin is documented in encyclopedic references, but only a single source has been found so far, but the regional or cultural match to this specific claim is not precise.
Current useModerate confidence: Moderate confidence because the current use is documented in encyclopedic references, but only a single source has been found so far.
Visual matchModerate confidence: Moderate confidence because the visual match is documented in encyclopedic references, but only a single source has been found so far.

Sources

Calendar systems and horological notation
National almanac offices, observatories and horological scholarship · retrieved 2026-08-27
Cited for the identity and structure of a calendrical or horological convention. Not cited for the date of any observance, which is determined by the authorities of the tradition concerned and differs between them.

Last reviewed 2026-08-27