>There are 365 days in a year (366 on leap years) Wrong already. I do not understand this obsession to make a year exactly the length of a given number of days

>There are 365 days in a year (366 on leap years) Wrong already. I do not understand this obsession to make a year exactly the length of a given number of days. They are both completely unrelated, exept in that they are units of time. A year should be exactly one time the period of the earth moving around the sun. We just need to agree on a starting point. The day on which that starting point falls would be the last day of that year or the first day of the next (or both). And while I understand the need to group days (not sparate the year) into weeks the concept of month seems completely unnecessary. Just agree on a number of weeks on which pay is given out, rent payed,...