bn:00010723n
Noun Concept
Categories: Days of the year, Calendars, M w, Types of year, Discordian holidays
EN
February 29  leap day  bissextile day  2/29  29/2
EN
The name of the day that is added during a leap year WordNet 3.0
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EN
The name of the day that is added during a leap year WordNet 3.0 & WordNet 2020
February 29, also known as leap day or leap year day, is a date added to leap years. Wikipedia
Date Wikidata
An extra day intercalated into a year, especially the day intercalated into the Julian calendar every fourth year and into the Gregorian calendar every fourth year excepting centuries not divisible by 400, usually reckoned as February 29th. Wiktionary
Extra day in a leap year. Wiktionary (translation)