how long is a year?

Question

EXACTLY! down to the last minute.

Answer 1

EXACTLY there is no single way to answer, because it depends on the definition of a year.

For example, we use the Gregorian calendar, in which there are EXACTLY 146,097 days every 400 years. So if we use the Gregorian calendar definition of a year, there are EXACTLY 365.2425 days in an average year, or 365 days, 5 hours, 49 minutes, and 12 seconds.

But the Gregorian calendar definition is based on the astronomical length of the mean tropical year, which is 365.24219 days, or 365 days, 5 hours, 48 minutes, 45 seconds.

The difference of 27 seconds per year would mean that after 3200 years or so, the calendar would be off by about a full day.

But because of changes in the earth's orbit and spin, the length of the mean tropical year changes too, in ways that are not entirely predictable. So we're just going to have to wait until things are for sure off, by a known amount, before changing the calendar again.

Answer 2

Generally, a year = 365 days and 6 hours, which can also explain the 366 day in a leap year since a day= 24 hours= 4*6hours. If you want to know about the minutes, sorry but I don't know about that.

Answer 3

If it is 365 d 6 h 9 min 9 s, should we not have midnight at 6pm after one year?!?
Or is every watch in the world going wrong?

Answer 4

365 days and 6 hours

Answer 5

365.256 363 051 days (365 d 6 h 9 min 9 s)

Answer 6

365 days

Answer 7

365 1/4 days = 4383 hours= 262800 minutes=15768000 seconds

would you like nanoseconds? jk! hope that answered your question!

Answer 8

According to my calendar it's about 3 inches long. and 4 inches high.