Date manipulation: Difference between revisions

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→‎{{header|Phix}}: added syntax colouring the hard way, phix/basics
(Added Arturo implementation)
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=={{header|Phix}}==
{{libheader|Phix/basics}}
<lang Phix>include builtins\timedate.e
<!--<lang Phix>-->
set_timedate_formats({"Mmmm d yyyy h:mmpm tz"})
<span style="color: #008080;">include</span> <span style="color: #000000;">builtins<span style="color: #0000FF;">\<span style="color: #004080;">timedate<span style="color: #0000FF;">.<span style="color: #000000;">e</span>
timedate td = parse_date_string("March 7 2009 7:30pm EST")
<span style="color: #7060A8;">set_timedate_formats<span style="color: #0000FF;">(<span style="color: #0000FF;">{<span style="color: #008000;">"Mmmm d yyyy h:mmpm tz"<span style="color: #0000FF;">}<span style="color: #0000FF;">)</span>
atom twelvehours = timedelta(hours:=12)
<span style="color: #004080;">timedate</span> <span style="color: #000000;">td</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">parse_date_string<span style="color: #0000FF;">(<span style="color: #008000;">"March 7 2009 7:30pm EST"<span style="color: #0000FF;">)</span>
td = adjust_timedate(td,twelvehours)
<span style="color: #004080;">atom</span> <span style="color: #000000;">twelvehours</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">timedelta<span style="color: #0000FF;">(<span style="color: #000000;">hours<span style="color: #0000FF;">:=<span style="color: #000000;">12<span style="color: #0000FF;">)</span>
?format_timedate(td)
<span style="color: #000000;">td</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">adjust_timedate<span style="color: #0000FF;">(<span style="color: #000000;">td<span style="color: #0000FF;">,<span style="color: #000000;">twelvehours<span style="color: #0000FF;">)</span>
td = change_timezone(td,"ACDT") -- extra credit
<span style="color: #0000FF;">?<span style="color: #7060A8;">format_timedate<span style="color: #0000FF;">(<span style="color: #000000;">td<span style="color: #0000FF;">)</span>
?format_timedate(td)
<span style="color: #000000;">td</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">change_timezone<span style="color: #0000FF;">(<span style="color: #000000;">td<span style="color: #0000FF;">,<span style="color: #008000;">"ACDT"<span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- extra credit</span>
td = adjust_timedate(td,timedelta(days:=31*4))
<span style="color: #0000FF;">?<span style="color: #7060A8;">format_timedate<span style="color: #0000FF;">(<span style="color: #000000;">td<span style="color: #0000FF;">)</span>
?format_timedate(td)</lang>
<span style="color: #000000;">td</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">adjust_timedate<span style="color: #0000FF;">(<span style="color: #000000;">td<span style="color: #0000FF;">,<span style="color: #7060A8;">timedelta<span style="color: #0000FF;">(<span style="color: #000000;">days<span style="color: #0000FF;">:=<span style="color: #000000;">31<span style="color: #0000FF;">*<span style="color: #000000;">4<span style="color: #0000FF;">)<span style="color: #0000FF;">)</span>
<span style="color: #0000FF;">?<span style="color: #7060A8;">format_timedate<span style="color: #0000FF;">(<span style="color: #000000;">td<span style="color: #0000FF;">)
<!--</lang>-->
{{out}}
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