Coptic calendar - Coptic calendar

Japanese: コプト暦 - コプトれき

A solar calendar originating from Ancient Egypt. According to the ancient Egyptian tradition, a year (tirompi) had 365 (366) days, consisting of 12 months (aboth) of 30 days each, plus an additional day (epagomene) of 5 days (6 days in leap years). The names of the months were roughly as shown in the table. The Diocletian calendar is most often used to date Coptic documents (the calendar commemorating the many martyrs who were killed during the persecution of Emperor Diocletian, commemorating the accession of Emperor Diocletian in 284 AD), also known as the Martyrdom Era (Chronos Martyron).

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

古代エジプトに起源をもつ太陽暦。古代エジプトの伝統により，1年(ティロムピ)は各30日から成る12の月(アボト)に追加日(エパゴメネ)の5日(閏年は6日)を足した365(366)日が用いられた。各月の名称はほぼ表のようであった。　コプト語文書の年代記載に最もよく用いられるのはディオクレティアヌス暦(ディオクレティアヌス帝の迫害で多くの殉教者がでたことを記念し，帝の即位した西暦284年を紀元とするもの)で，殉教紀元(クロノス･マルテュロン)とも呼ばれる。

出典　株式会社平凡社世界大百科事典第２版について　情報

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