source: LMDZ6/branches/Amaury_dev/libf/misc/juldate.f90 @ 5115

Last change on this file since 5115 was 5105, checked in by abarral, 4 months ago

Replace 1DUTILS.h by module lmdz_1dutils.f90
Replace 1DConv.h by module lmdz_old_1dconv.f90 (it's only used by old_* files)
Convert *.F to *.f90
Fix gradsdef.h formatting
Remove unnecessary "RETURN" at the end of functions/subroutines
  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 893 bytes
RevLine 
[5099]1
[1403]2! $Id: juldate.f90 5105 2024-07-23 17:14:34Z abarral $
[5099]3
[5105]4  SUBROUTINE juldate(ian,imoi,ijou,oh,om,os,tjd,tjdsec)
5  ! Sous-routine de changement de date:
6  ! gregorien>>>date julienne
7  ! En entree:an,mois,jour,heure,min.,sec.
8  ! En sortie:tjd
9    IMPLICIT NONE
10    INTEGER,INTENT(IN) :: ian,imoi,ijou,oh,om,os
11    REAL,INTENT(OUT) :: tjd,tjdsec
[524]12
[5105]13    REAL :: frac,year,rmon,cf,a,b
14    INTEGER :: ojou
[524]15
[5105]16    frac=((os/60.+om)/60.+oh)/24.
17    ojou=dble(ijou)+frac
18        year=dble(ian)
19        rmon=dble(imoi)
20    if (imoi <= 2) then
21        year=year-1.
22        rmon=rmon+12.
23    endif
24    cf=year+(rmon/100.)+(ojou/10000.)
25    if (cf >= 1582.1015) then
26        a=int(year/100)
27        b=2-a+int(a/4)
28    else
29        b=0
30    endif
31    tjd=int(365.25*year)+int(30.6001*(rmon+1))+int(ojou) &
32          +1720994.5+b
33    tjdsec=(ojou-int(ojou))+(tjd-int(tjd))
34    tjd=int(tjd)+int(tjdsec)
35    tjdsec=tjdsec-int(tjdsec)
36
37end subroutine juldate
38
39
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