intercalary

• These holidays literally occupied gaps in the calendar -- intercalary intervals. —  home
• Therefore, as the intercalary days are distributed with considerable regularity in both calendars, the date of commencement of the year Y expressed in Gregorian years is 0.970224 (Y - 1) + 622.5476 or 0.970224 Y + 621.5774 This formula gives the following rule for calculating the date of the commencement of any year of the Hegira, according to the Gregorian or New Style Rule._--Multiply 970224 by the year of the Hegira, cut off six decimals from the product, and add 621.5774. —  Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
• The Báb did not specifically define the place for the intercalary days in the new calendar. —  The Kitáb-i-Aqdas
• In order to remedy this, the Chinese intercalated a month once in about thirty-three moons, and called the intercalary month by the same name as the one preceding it, both with regard to the common numbers 1-12, and with regard to the two endless cycles of twelve signs and sixty signs, by which moons are calculated for ever, in the past and in the future. —  Ancient China Simplified
• Because one knows of the intercalary month, and another does not know of the intercalary month. —  Hebrew Literature

Allen's Synonyms and Antonyms

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