European Space Agency

European Space Agency

Royal Belgian Institute for Aeronomy

Royal Belgian Institute for Aeronomy

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ydoyut_to_julday - Convert date to Julday

function  ydoyut_to_julday(year, doy, ut)
Parameters:

  • year [integer4,in] :: year.

  • doy [integer4,in] :: day of year [1-366]

  • ut [real8,in] :: universal time in seconds

Return:

real :: Julian day

Description

Calculate the Julian day from the Gregorian date.

UNILIB/tags/v3.02