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释义 | 公元年数能够用4整除的是闰年(如1960年),能够用100整除的是平年(如1900年),能够用100整除也能用400整除的是闰年(如2000年)。纪元是从传说的耶稣生年算起。{Gregorian calendar; internationally used solar calendar, with 365 days and 12 months in a year, with January, March, May, July, August, October and December as solar months of 31 days, April, June, September and November as solar months of 30 days, and February of 28 days. A solar year, i.e., the time it takes for the earth to move round the sun once, is equivalent to 365.24219 days, so there are 97 leap years in every 400 years; in a leap year, an extra day is added to February, to make 366 days in that year. Leap years occur in years where the year number is evenly divisible by 4 (e.g. 1960) or where it is evenly divisible by 100 and 400 (e.g. 2000). Non-leap years occur in those evenly divisible by 100 (e.g. 1900). The first year of the Gregorian calendar begins with the alleged birth year of Christ.}也叫 |
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