So, every 400 years the turn of the century is a leap year.可知,2000年,千禧年,是闰年。这是因为在四百多年的时间里,我们只需要移动三天。所以,每400年世纪之交就是闰年。由可知,上次闰年是2000年,每四百年会出现一次闰年,所以下一次闰年会出现在2400年。故选D。【小题4】主旨大意题。阅读文章内容,并...
This year,2024,is a leap year (闰年).February 29 is known as "leap day".But what is behind this (1)s pecial day? Everyone knows the Earth(2)t ravels around the sun in 365 days.Well,that is not(3)e xactly correct.In fact,it takes a little more:365 days,five hours,forty-...
However, the Gregoriancalendar has only 365 days in a year. If we didn't add a leap day on February 29 almost every four years, each calendar year would begin about 6 hours earlier in relation to Earth's revolution around the Sun (see illustration). As a consequence, our time reckoningw...
Because of this extra day, a leap year has 366 days instead of 365. Additionally, a leap year does not end and begins on the same day of the week as a non–leap year does. How Do You Know If It’s a Leap Year? Generally, a leap year happens every four years, which, thankfully...
NASA says that over time, our seasons would fall out of order without the leap day. 美国航空航天局表示,随着时间的推移,如果没有闰日,我们的季节将会紊乱。 Each calendar year is about six hours longer than 365 days. 每个日历年大约比365天多6个小时。 However, a leap day is not added every ...
This year, 2024, is a leap year. February 29 is known as"leap day". But what is behind this special day?Everyone knows the Earth takes 365 days to travel around the sun. Well, that is not exactly correct. The Earth really takes365 days, five hours, forty-eight minutes and forty-...
The year 2024 is a leap year (闰年). A leap year has 366 days instead of the normal number of 365 days. The additional (额外的) day, called a leap day, is February 29th.Leap years happen almost every four years. The name is from the idea of making up for the extra time in ...
leap year音频:00:0003:59 Today we are talking about the somewhat unusual day of February 29. It comes up on the calendar only every four years. A year with a February 29 might be good news if you are paid by the day or the we...
29 — is Leap Day. The calendar oddity means this year is actually 366 days long, instead of the regular 365. Here's why leap years occur. What is the purpose of a leap year? Leap years exist because while the world follows a 365-day Gregorian calendar, it actually takes the ...
This February is a little longer than usual. It's a leap year, and today — Thursday, Feb. 29 — is Leap Day. The calendar oddity means this year is actually 366 days long, instead of the regular 365. Here's why leap years occur. What is the purpose of a leap year? Leap ...