Equating an end-date for the Mayan calendar round with a date in the European-based Gregorian system has been a heartbreaker for astronomers.
为了使玛雅历法的一个完结日与围绕着的以欧洲为基础的格里高利体系等同，已经让天文学家们伤透了脑筋。
Dragon Boat Festival this year is a Gregorian calendar date?
今年端午节是阳历几号？
Dragon Boat Festival this year is a Gregorian calendar date?
今年端午节是阳历几号？
应用推荐