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Top Forums Shell Programming and Scripting Unix function to calcuate the difference in time Post 302143650 by ghostdog74 on Friday 2nd of November 2007 11:26:14 AM
Old 11-02-2007
i don't know which platform you are in , assuming you have GNU date
Code:
# date +%s -d "19:22"
1194002520
# date +%s -d "19:43"
1194003780
# echo "1194003780 - 1194002520" | bc
1260
# echo "(1194003780 - 1194002520)/60" | bc
21

 

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DATETIME.SETTIMEZONE(3) 						 1						   DATETIME.SETTIMEZONE(3)

DateTime::setTimezone - Sets the time zone for the DateTime object

       Object oriented style

SYNOPSIS
public DateTime DateTime::setTimezone (DateTimeZone $timezone) DESCRIPTION
Procedural style DateTime date_timezone_set (DateTime $object, DateTimeZone $timezone) Sets a new timezone for a DateTime object. PARAMETERS
o $object -Procedural style only: A DateTime object returned by date_create(3). The function modifies this object. o $timezone - A DateTimeZone object representing the desired time zone. RETURN VALUES
Returns the DateTime object for method chaining or FALSE on failure. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.0 | | | | | | | Changed the return value on success from NULL to | | | DateTime. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 DateTime.setTimeZone(3) example Object oriented style <?php $date = new DateTime('2000-01-01', new DateTimeZone('Pacific/Nauru')); echo $date->format('Y-m-d H:i:sP') . " "; $date->setTimezone(new DateTimeZone('Pacific/Chatham')); echo $date->format('Y-m-d H:i:sP') . " "; ?> Procedural style <?php $date = date_create('2000-01-01', timezone_open('Pacific/Nauru')); echo date_format($date, 'Y-m-d H:i:sP') . " "; date_timezone_set($date, timezone_open('Pacific/Chatham')); echo date_format($date, 'Y-m-d H:i:sP') . " "; ?> The above examples will output: 2000-01-01 00:00:00+12:00 2000-01-01 01:45:00+13:45 SEE ALSO
DateTime.getTimezone(3), DateTimeZone.__construct(3). PHP Documentation Group DATETIME.SETTIMEZONE(3)
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