1. a system used especially by astronomers of numbering days consecutively from the arbitrarily selected point of the year 4713 b.c. instead of by cycles of days
2. the number of a day in the Julian day calendar (as 2,436,934 for January 1, 1960)
julian day 例句
英汉例句
the jdtojewish() function converts a julian day count to a jewish calendar date.
函数的作用是:将儒略日计数转为犹太历。
the jdtofrench() function converts a julian day count to a french republican calendar date.
函数的作用是:将儒略日计数转为法国共和历。
the gregoriantojd() function converts a date from the gregorian calendar to julian day count.
函数的作用是:将格里高里历转为儒略日计数。
this is done in astronomy, with the help of the julian day .
天文学上就是借助儒略日来算的。
note: to convert between calendar formats, you must first convert to julian day count, then to the calendar format.
注意:在不同的日历系统中转换,必须先将其转换为儒略日计数,然后转换为 目标日历格式。
the jdtojulian() function converts a julian day count to a julian calendar date.