> Then way not abolish leap years as well? Religion. For example, the various Christian groups want to keep Easter at the Correct Time each year, and the leap

> Then way not abolish leap years as well? Religion. For example, the various Christian groups want to keep Easter at the Correct Time each year, and the leap year is part of the complex calculations they use to accomplish that. https://en.wikipedia.org/wiki/Computus https://en.wikipedia.org/wiki/Computus It really is a bit involved. I suppose they could redo everything to accommodate a calendar without a leap day, but the Julian to Gregorian update was divisive enough, and you really expect them to go through all that again so soon? More to the point, calendars are more deeply embedded in the culture than things like TAI and UTC and so on. Changing a calendar is a maybe-once-in-a-millennia event.