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Дата изменения: Tue Apr 28 19:12:50 2015
Дата индексирования: Sun Apr 10 20:39:08 2016
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Поисковые слова: rocket

Date conversion functions

All inputs for these functions and procedures can be arrays!

julian(year$<$_integer$>$,month$<$_integer$>$,day$<$_real$>$)

Function; returns Julian day including fraction. Day can be fractional. Example: print,julian(1998,12,16.2)

jd2date,jdf$<$_real$>$,year,month,day

Procedure; returns year, month, and day (including fraction) for input (fractional) Julian date.

by2jd(year$<$_real$>$)

Function; returns Julian date corrresponding to input Besselian year.

jy2jd(year$<$_real$>$)

Function; returns Julian date for input Julian year.

jd2jy(jd$<$_real$>$)

Function; returns Julian year for input Julian date.

jd2by(jd$<$_real$>$)

Function; returns Besselian year for input Julian date.