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time_to_mjd(++HMS, ?MJD)

Convert the time in H:M:S form to a float MJD <1.0
HMS
A structure of the form H:M:S where H and M are integers and S is a float
MJD
Variable or float

Description

Returns a float MJD <1.0 encoding the time of day (UTC/GMT). This can be added to an integral day number to obtain a full MJD.