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p.specht
 | In EU-europe begins The count the Wochentage of/ one (Arbeits-)week with monday = 1. The first Kalenderwoche is those, with the The überwiegende number of Meet already in the ongoing year lying, if the New Year's Day So one thursday or later is. therefore comes in the nachfolgenden Program the Berechnung the Wochentagsnummer the Neujahrstages particular weight To.
an spending KW=0 means then, that the sought day yet to 53. week the Vorjahres counts. The Algorithmus operates ex the 01.01.1583 and is of Unix-Jahr_2038-Error not concerned.
Zit. Wiki: " each year has either 52 or 53 Kalenderwochen.
- One Normaljahr with 53 weeks begins in a thursday and end in a thursday.
- One leap-year with 53 weeks begins either in a wednesday and end in a thursday or it begins in a thursday and end in a friday.
- - The 29., 30. and 31. december can already to Kalenderwoche 1 the Folgejahres belong.
- - The 1., 2. and 3. january can yet to the last Kalenderwoche the Vorjahres belong."
DIN 1355-1 led to that 1. january 1976 a suitable Zählweise with monday as first week-day in the german Sprachraum one.
Window Title upper$("Europäische Kalenderwochennummer one designed Datums")
Window Style 24:declare jahr&,monat&,tag&:font 2'BETA-VERSION OHNE EACH GEWÄHR!
looop:
CLS:print "\n year = ";:input jahr&:print " month = ";:input monat&
print " day = ";:input tag&:print
if WTNr(jahr&,monat&,tag&)<1:print " Eingabefehler! (Jahr<1583 o.ähnl.)":goto "resum":endif
casenot SJ(jahr&):print " Kein";:print " leap-year!"
print " this ";TN(jahr&,monat&,tag&);".day the Jahres";
print " lying in the ";KW(jahr&,monat&,tag&);".KW";
case KW(jahr&,monat&,tag&)=0:print " or. The 53.KW the Vorjahres,";
print "\n and is the ";WTNr(jahr&,monat&,tag&);".day this week (count begins with Mo)."
print " it deals itself circa a ";WTStr$(WTNr(jahr&,monat&,tag&));" (";WTsStr$(WTNr(jahr&,monat&,tag&));")"
resum:
print:waitinput:goto "Looop"
END
proc SJ :parameters jahr&:case jahr&<1583:return -1'SCHALTJAHR
var sj&=0:ifnot jahr& mod 4:sj&=1:ifnot jahr& mod 100:sj&=0
casenot jahr& mod 400:sj&=1:endif:endif:return sj&
endproc
proc TN :parameters jahr&,monat&,tag&'TAGNUMMER IN JAHR
case (jahr&<1583) or (monat&<1) or (monat&>12):return -1
var tn&=val(substr$("0 31 59 90 120 151 181 212 243 273 304 334 365",monat&," "))+tag&
case monat&<3:return tn&:case SJ(jahr&):inc tn&:return tn&
endproc
proc WTNr :parameters jahr&,monat&,tag&
case jahr&<1583:return -1'WOCHENTAG-Nr
var WTNrNJ&=WTNrNJ(jahr&)
var TN&=TN(jahr&,monat&,tag&)
var WTNr& = ( ((TN&-1) mod 7)+(WTNrNJ&-1)) mod 7 + 1
return WTNr&
endproc
proc WTsStr$ :parameters WTNr&'WOCHENTAG-shortString
return substr$("Mo Di wen Do Fr Sa So",WTNr&," ")
endproc
proc WTStr$ :parameters WTNr& :return substr$(\
"Montag tuesday wednesday thursday friday saturday Sonntag",WTNr&," ")
endproc' = WOCHENTAG-NAME
proc WTNrNJ :parameters jahr&'WOCHENTAG-Nr_des_Neujahrstages
case jahr&<1583:return -1:var AJ&=jahr&-1201
var WT&=1+AJ&+int(AJ&/4)-int(AJ&/100)+int(AJ&/400)
WT&=WT& mod 7: case wt&=0:wt&=7:return WT&' 1="Montag"
endproc
Proc KW :parameters jahr&,monat&,tag&
var WT&=WTNrNJ(jahr&)'KALENDERWOCHE
var WN&=TN(jahr&,monat&,tag&)+WT&-2
case WT&<5:WN&=WN&+7
WN&=int(WN&/7):return WN&
endproc
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