Lost_My_Mind@lemmy.world to Showerthoughts@lemmy.world · 5 个月前If the Olympics and presidential elections only happen once every 4 years, why the hell are we not doing them on February 29th????message-squaremessage-square34fedilinkarrow-up1411arrow-down126
arrow-up1385arrow-down1message-squareIf the Olympics and presidential elections only happen once every 4 years, why the hell are we not doing them on February 29th????Lost_My_Mind@lemmy.world to Showerthoughts@lemmy.world · 5 个月前message-square34fedilink
minus-squareAbouBenAdhem@lemmy.worldlinkfedilinkEnglisharrow-up27·5 个月前Not quite—it’s every four years, excluding years divisible by 100, but not excluding years divisible by 400. So 2000 was a leap year, but it was the first century in 400 years for which that was the case (using the Gregorian calendar).
Not quite—it’s every four years, excluding years divisible by 100, but not excluding years divisible by 400. So 2000 was a leap year, but it was the first century in 400 years for which that was the case (using the Gregorian calendar).