Template:Gregorian serial date: Difference between revisions

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(Created page with "{{#expr: <!--Days from all years past:--> + (({{{year|{{CURRENTYEAR}}}}} - 1) * 365) + ((({{{year|{{CURRENTYEAR}}}}} - 1) - (({{{year|{{CURRENTYEAR}}...")
 
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{{#expr:  
{{#invoke:age|gsd}}<noinclude>{{documentation}}</noinclude>
        <!--Days from all years past:-->
 
        + (({{{year|{{CURRENTYEAR}}}}} - 1) * 365)
        + ((({{{year|{{CURRENTYEAR}}}}} - 1) - (({{{year|{{CURRENTYEAR}}}}} - 1) mod 4)) / 4)    <!--add a day for every leap-->
        - ((({{{year|{{CURRENTYEAR}}}}} - 1) - (({{{year|{{CURRENTYEAR}}}}} - 1) mod 100)) / 100) <!--subtract 100 year exception-->
        + ((({{{year|{{CURRENTYEAR}}}}} - 1) - (({{{year|{{CURRENTYEAR}}}}} - 1) mod 400)) / 400) <!--readd 400 year exception-->
 
      <!--Days so far this year:-->
        + {{ #ifexpr:    <!--add days for past months this year--> <!--Gives 1 or 2 extra days because of February-->
                    ({{{month|{{CURRENTMONTH}}}}} - 1) < 8
                    | ( ({{{month|{{CURRENTMONTH}}}}} - 1) * 30.5 round 0)
                    | ( ({{{month|{{CURRENTMONTH}}}}} - 1) * 30.5 + 0.9 round 0 )
          }}
        - {{ #ifexpr: ({{{month|{{CURRENTMONTH}}}}} <= 2) | 0 | 
            {{ #ifexpr:    <!-- if leap year  -->
                    ({{{year|{{CURRENTYEAR}}}}} / 4) = ({{{year|{{CURRENTYEAR}}}}} / 4 round 0)          <!--If divisible by 4-->
                      and ({{{year|{{CURRENTYEAR}}}}} / 100 != {{{year|{{CURRENTYEAR}}}}} / 100 round 0)  <!--and not by 100-->
                | 1 | 2
            }}
          }}
        + {{ #ifexpr: ({{{month|{{CURRENTMONTH}}}}} <= 2) | 0 |
            {{ #ifexpr: <!--400 year exception-->
                    ({{{year|{{CURRENTYEAR}}}}} / 400) = ({{{year|{{CURRENTYEAR}}}}} / 400 round 0)
                | 1 | 0
            }}
          }}
        + {{{day|{{CURRENTDAY}}}}}
}}{{#ifexpr: {{{year|{{CURRENTYEAR}}}}} < 1 |
        _ERROR - Can not handle dates before January 1, 1 A.D.
  }}<noinclude>{{documentation}}</noinclude>

Latest revision as of 09:30, 7 October 2018

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