CL_dat_cjd2mjd — CNES Julian date to Modified Julian date
mjd = CL_dat_cjd2mjd(cjd)
The fractional part of cjd (cjd-int(cjd)) gives the time of the day as a decimal fraction of one day with 0.5 representing midday UT.
CNES Julian date (number of fractionnal days since January 1st 1950) (1xN)
Modified Julian date (Julian date - 2400000.5) (1xN)
1 Mecanique spatiale, CNES - Cepadues 1995, Chapitre 3, section 3.3.3 Les annees
cjd=[20000.256,20001.897]; mjd = CL_dat_cjd2mjd(cjd); cjd2 = CL_dat_mjd2cjd(mjd);