https://towerhamletscanoeclub.co.uk/mediawiki/index.php?action=history&feed=atom&title=Template%3AGregorian_serial_date 2026-04-23T01:14:16Z Revision history for this page on the wiki MediaWiki 1.33.1 https://towerhamletscanoeclub.co.uk/mediawiki/index.php?title=Template:Gregorian_serial_date&diff=1159&oldid=prev 2009-11-12T21:31:26Z

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

Ianh