Difference between revisions of "Template:Usdst"

Revision as of 05:07, 3 July 2008

1

Usage

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{{usdst}}

Returns 1 if the United States (specifically its Eastern Time Zone) are in Daylight Saving Time, 0 if not.
- From 2007, Daylight Saving Time is observed in the United States from 02:00 local (07:00 UTC) on the second Sunday in March through 02:00 local (06:00 UTC) on the first Sunday in November.
For simplicity's sake, this template applies DST rules used from 1987-2006 to all years 1986 and prior.
This template currently extends the current (2007) DST rules to all years following. Further DST legislation in the United States may require updates to this template.

@@ Line 1: / Line 1: @@
 {{#vardefine:year|{{#time:Y|{{{1|{{CURRENTTIMESTAMP}}}}} }}}}{{#vardefine:remainder|{{#time:mdHi|{{{1|{{CURRENTTIMESTAMP}}}}} }}}}{{#ifexpr: {{#var:year}} <= 2006
-| {{#ifexpr: ({{#var:remainder}} >= {{#expr:04{{weekday in month|{{#var:year}}|4|0|1}}0700}}) and ({{#var:remainder}} < {{#expr:10{{weekday in month|{{#var:year}}|10|0|-1}}0600}}) | 1 | 0}}
+| {{#expr: ({{#var:remainder}} >= {{#expr:04{{padleft:{{weekday in month|{{#var:year}}|4|0|1}}|2|0}}0700}}) and ({{#var:remainder}} < {{#expr:10{{padleft:{{weekday in month|{{#var:year}}|10|0|-1}}|2|0}}0600}}) }}
-| {{#ifexpr: ({{#var:remainder}} >= {{#expr:03{{weekday in month|{{#var:year}}|3|0|2}}0700}}) and ({{#var:remainder}} < {{#expr:11{{weekday in month|{{#var:year}}|11|0|1}}0600}}) | 1 | 0}}
+| {{#expr: ({{#var:remainder}} >= {{#expr:03{{padleft:{{weekday in month|{{#var:year}}|3|0|2}}|2|0}}0700}}) and ({{#var:remainder}} < {{#expr:11{{padleft:{{weekday in month|{{#var:year}}|11|0|1}}|2|0}}0600}}) }}
 }}<noinclude>
 == Usage ==