Template:Gregorian serial date

From Iwe

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{{#expr:
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        <!--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
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                    | ( ({{{month|{{CURRENTMONTH}}}}} - 1) * 30.5 round 0)
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                    | ( ({{{month|{{CURRENTMONTH}}}}} - 1) * 30.5 + 0.9 round 0 )
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          }}
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        - {{ #ifexpr: ({{{month|{{CURRENTMONTH}}}}} <= 2) | 0 | 
 +
            {{ #ifexpr:    <!-- if leap year  -->
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                    ({{{year|{{CURRENTYEAR}}}}} / 4) = ({{{year|{{CURRENTYEAR}}}}} / 4 round 0)          <!--If divisible by 4-->
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                      and ({{{year|{{CURRENTYEAR}}}}} / 100 != {{{year|{{CURRENTYEAR}}}}} / 100 round 0)  <!--and not by 100-->
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                | 1 | 2
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            }}
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          }}
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        + {{ #ifexpr: ({{{month|{{CURRENTMONTH}}}}} <= 2) | 0 |
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            {{ #ifexpr: <!--400 year exception-->
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                    ({{{year|{{CURRENTYEAR}}}}} / 400) = ({{{year|{{CURRENTYEAR}}}}} / 400 round 0)
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                | 1 | 0
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            }}
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          }}
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        + {{{day|{{CURRENTDAY}}}}}
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}}{{#ifexpr: {{{year|{{CURRENTYEAR}}}}} < 1 |
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        _ERROR - Can not handle dates before January 1, 1 A.D.
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  }}<noinclude></noinclude>
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<noinclude>[[Category:Maintenance Templates]]</noinclude>

Revision as of 11:13, 7 April 2016

{{#expr: 

       + ((2025 - 1) * 365)
       + (((2025 - 1) - ((2025 - 1) mod 4)) / 4)     
       - (((2025 - 1) - ((2025 - 1) mod 100)) / 100) 
       + (((2025 - 1) - ((2025 - 1) mod 400)) / 400) 



       + {{ #ifexpr:     
                    (01 - 1) < 8 
                    | ( (01 - 1) * 30.5 round 0) 
                    | ( (01 - 1) * 30.5 + 0.9 round 0 ) 
         }} 
       - {{ #ifexpr: (01 <= 2) | 0 |  
            {{ #ifexpr:    
                    (2025 / 4) = (2025 / 4 round 0)          
                     and (2025 / 100 != 2025 / 100 round 0)  
               | 1 | 2 
            }}
         }}
       + {{ #ifexpr: (01 <= 2) | 0 |
            {{ #ifexpr: 
                    (2025 / 400) = (2025 / 400 round 0) 
               | 1 | 0 
            }}
         }} 
       + 28
}}{{#ifexpr: 2025 < 1 |
       _ERROR - Can not handle dates before January 1, 1 A.D.
  }}
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