UT540

[ Name | Synopsis | Arguments | Description | Diagnostics | Common Blocks | Dependencies | See Also | Reported Bugs | Examples ]

Name

Subroutine UT540 - compute modified Julian Day from date

Synopsis

      RECORD /zdat/ mdate
      
      CALL UT540 (mdate)

Arguments

mdate

date and time [in/out]

Description

The subroutine UT540 converts the date (mdate.iyear, mdate.imonth, mdate.iday) and time (mdate.ihour, mdate.imin, mdate.secs) into a modified Julian day (mdate.amjd). The conversion is based on a method of H.Klinkrad.

Diagnostics

None

Common Blocks

None

Dependencies

Called by

UA610, select an atmospheric, ionospheric and/or plasmaspheric model

Calls

None

See also

UT545, compute date from modified Julian Day

Reported Bugs

None

Examples

#1, evaluation of the magnetic field vector
#2, evaluation of the (B, L) coordinates
#5, namelist to initialize UNILIB