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The origin of leap year: Why is there an extra day on February 29th only every four years?
To correct the mismatch of the Julian calendar, the Gregorian calendar introduced a new rule: a year is considered a leap year only if it is divisible by 4, except if it ends in “00″, in which ...
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5 most impressive perpetual calendar watches for a leap year: haute horology from Bulgari, A. Lange & Söhne, IWC, Glashütte Original and H. Moser & Cie on February 29, 2024
5 most impressive perpetual calendar watches for a leap year: haute horology from Bulgari, A. Lange & Söhne, IWC, Glashütte Original and H. Moser & Cie on February 29, 2024 Story by Gloria Fung ...
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29 leap year facts for February 29
4 Leap years were introduced by the Roman emperor Julius Caesar, who created a new calendar to take the extra quarter-days into account. The Julian calendar took effect in 45 BC. 5 The maths ...