why a year has 365 days and a day has 24 hours
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brother i think this question have no reason why a year has 365 days and a day has 24 hours ?
M2J:
i think because earth takes 24 hours to complete on rotation meanwhile it takes 365 days to complete on revolution
whether my guess is correct
roughly right
it is
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Originally Answered: When measuring time, it is common to use a circle, divided into either 4 or 12 parts, why then do we have 365 days in a year instead of 360 days?
It takes the earth 365 days, 8 hours, some minutes and some seconds to make a full circle of the sun.
A circle is 360 degrees. The earth is (more or less) a circle. It spins once on its axis every day. Clocks were invented a while ago. The average person, at the time, couldn't really tell when a minute or an hour had passed. Day and night were easy. So you have two parts. Splitting each of those parts in two was also easy. Sunrise to noon and noon to sunset = Day. Sunset to moon-peak and moon-peak to sunrise = Night.
Now, as to how and why, exactly, each of those 4 parts was subdivided into 3 parts, really, I don't know. But I do know that in India, even today, the word "pahar" is used. It means "watch" (as in keeping guard, not as in wristwatch). The watch cycle begins at sunrise. One pahar = 3 hours (roughly 6:00 a.m. to 9:00 a.m.). Two pahars (Do pahar) brings you to noon. And the traditional word for afternoon, in Hindi, is "dopahar" as one word.
It takes the earth 365 days, 8 hours, some minutes and some seconds to make a full circle of the sun.
A circle is 360 degrees. The earth is (more or less) a circle. It spins once on its axis every day. Clocks were invented a while ago. The average person, at the time, couldn't really tell when a minute or an hour had passed. Day and night were easy. So you have two parts. Splitting each of those parts in two was also easy. Sunrise to noon and noon to sunset = Day. Sunset to moon-peak and moon-peak to sunrise = Night.
Now, as to how and why, exactly, each of those 4 parts was subdivided into 3 parts, really, I don't know. But I do know that in India, even today, the word "pahar" is used. It means "watch" (as in keeping guard, not as in wristwatch). The watch cycle begins at sunrise. One pahar = 3 hours (roughly 6:00 a.m. to 9:00 a.m.). Two pahars (Do pahar) brings you to noon. And the traditional word for afternoon, in Hindi, is "dopahar" as one word.
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