calendar years

Leap years are necessary to keep our calendar in alignment with the Earths revolutions around the sun.

闰年是对地球绕太阳运转所需时间和公历时间之差所作的调整。

In the lunar calendar, the years are designated by the Heavenly Stems and Earthly Branches.

阴历用干支纪年.

Thompson's projection used a day-by-day count to cross-reference the Mayan to the European calendar rather than a count of years.

汤普森的设想是作用逐天计算去勾划&涉及了玛雅到欧洲的历法，而不是年的计算。

December 28 is the 362nd day of the year ( 363rd in leap years) in the Gregorian calendar. There are three days remaining until the end of the year.

12月28日是阳历一年中的第362天（闰年第363天），离全年的结束还有3天。

January 4 is the fourth day of the year in the Gregorian calendar. There are 361 days remaining until the end of the year ( 362 in leap years).

1月4日是阳历年的第4天，离一年的结束还有361天（闰年是362天）。

Julius Caesar introduced Leap Years around 45BCE by adding one day to the last month of the calendar year, February.

公元前458年，凯撒引进了闰年的概念，在一年的最后一个月加上一天，也就是在二月加上一天。