📄 julday.m
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function jd = julday(y,m,d,h)% JULDAY Conversion of date as given by% Input :% y ... year (four digits)% m ... month% d ... day% h ... hour and fraction hereof (for example, 13h 40m 23.0s -> 13.6731)% The conversion is only valid in the time span% from March 1900 to February 2100% Output: Julian day(jd)% See Hofmann-Wellenhof et al., p. 41--42%Kai Borre 05-18-96%Copyright (c) by Kai Borre%$Revision: 1.0 $ $Date: 1997/09/26 $% Modified by Chon 25 Spet 2000if m <= 2 y = y-1; m = m+12;endjd = floor(365.25*y)+floor(30.6001*(m+1))+d+h/24+1720981.5;%%%%%%% end julday.m %%%%%%%%%%%%
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