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[lp_date_toOffset]

Description

Link: [lp_date_toOffset]

Author: Bil Corry

Category: Date

Version: 8.x

License: Public Domain

Posted: Feb. 26, 2006

Updated: Sep. 06, 2006

More by this author...

Returns the date at a specified timezone offset given a date in either UTC/GMT or local server timezone.

Requires [lp_date_stringtodate] [lp_date_localToUTC] [lp_string_getnumeric] [lp_date_stringToOffset]

Parameters

-date	date, required	Date to convert to offset. Can either be local server time or GMT/UTC time.
-timezone_offset	string, required	Timezone offset. In format of +hhmm or -hhmm.

Sample Usage

(lp_date_toOffset: (date:'2/20/2006 12:00:00 GMT'), '-0500'); // returns 2/20/2006 07:00:00
'<br>';
(lp_date_toOffset: (date:'2/20/2006 12:00:00'), '-0500'); // returns 02/20/2006 15:00:00 for server local time offset of -0800

Source Code

Click the "Download" button below to retrieve a copy of this tag, including the complete documentation and sample usage shown on this page. Place the downloaded ".inc" file in your LassoStartup folder, restart Lasso, and you can begin using this tag immediately.

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[

define_tag:'lp_date_toOffset',
	-description='Returns the date at a specified timezone offset given a date in either UTC/GMT or local server timezone.',
	-priority='replace',
	-required='date',-copy,
	-required='timezone_offset';

	// get date
	
		if: #date->type != 'date';
			#date = lp_date_stringtodate: (string: #date);
		/if;

	// convert to UTC/GMT
	
		#date = lp_date_localToUTC: #date;

	// remove UTC/GMT marker
		
		#date = (date: #date->month '/' #date->day '/' #date->year ' ' #date->hour ':' #date->minute ':' #date->second);	

	// return date at offset
		local:'hour' = (lp_date_stringToOffset: #timezone_offset, -map)->(find:'hours');
		local:'minute' = (lp_date_stringToOffset: #timezone_offset, -map)->(find:'minutes');
		if: (string:#timezone_offset)->(contains:'-');
			#minute *= -1;
		/if;

		return: (date_add: #date, -hour=#hour, -minute=#minute);

/define_tag;

]

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