r2 - 17 Apr 2008 - 09:38:21 - TWikiAdminYou are here: TWiki >  TWiki Web > DateTimePlugin

DateTimePlugin

Display date and time with formatting options and localized dates.

This plugin is an extension of the TWiki variable GMTIME{"format"} (that only allows to show the current date date and time).
DateTimePlugin lets you show any date and time before or after 'now', and it will return any part of a date such as the month name.

With DateTimePlugin you can write:
In five days will be: %DATETIME{incdays="5"}% and will have a always coherent phrase.

Syntax Rules

Use %DATETIME{}% to show the current date and time in default date format (as set in configure).

For more options use: %DATETIME{"format" <optional parameters>}%

Parameters

Parameter Description Example
"..." or format="..." Format of date string; see GMTIME{"format"} for formatting variables %DATETIME{"$wday"}%
date="..." Any date in one of the following formats:

Default TWiki format
    31 Dec 2001 - 23:59

TWiki format without time (defaults to 00:00)
    31 Dec 2001

Date seperated by '/', '.' or '-', time with '.' or ':'
Date and time separated by ' ', '.' and/or '-'
    2001/12/31 23:59:59
    2001.12.31.23.59.59
    2001/12/31 23:59
    2001.12.31.23.59
    2001-12-31 23:59
    2001-12-31 - 23:59

ISO format
    2001-12-31T23:59:59
ISO dates may have a timezone specifier, either Z or a signed difference in hh:mm format. For example:
    2001-12-31T23:59:59+01:00
    2001-12-31T23:59Z
The local timezone will be assumed.

Note: will not handle dates before 1970!
%DATETIME{date="2001/12/31"}%
incdays="..." Increase the date by any number of days (may be a negative number) %DATETIME{date="31 Dec 2001" incdays="1"}%
inchours="..." Increase the date by any number of hours (may be a negative number) %DATETIME{date="31 Dec 2001 - 07:00" format="$hours" inchours="-1"}%
incminutes="..." Increase the date by any number of minutes (may be a negative number) %DATETIME{date="31 Dec 2001" format="$minutes" incminutes="15"}%
incseconds="..." Increase the date by any number of seconds (may be a negative number) %DATETIME{date="31 Dec 2001" format="$seconds" incseconds="20"}%

Formatting parameters

See GMTIME{"format"} for general date and time formatting parameters to pass to format. DateTimePlugin supports the following additional paramters:

Parameter Description Example
$i_month The localized short name of the month. Ago
$lmonth The English long name of the month. July
$i_lmonth The localized long name of the month. Julho
$i_wday The summarized internationalized name of the day of the week. Qua
$lwday The English long name of the day of the week. Wednesday
$i_lwday The localized long name of the day of the week. Quarta-feira

Overview of all formatting variables

$seconds 50
$minutes 13
$hours 11
$day 18
$wday Wed
$i_wday Wed
$i_lwday Wednesday
$dow 3
$week 38
$month Sep
$mo 09
$i_month Sep
$i_lmonth September
$year 2019
$ye 19
$tz GMT
$iso 2019-09-18T11:13Z
$rcs 2019/09/18 11:13:50
$http Wed, 18 Sep 2019 11:13:50 GMT
$epoch 1568805230

Examples

Yesterday was %DATETIME{"$day $month $year" incdays="-1"}%

results in:

Yesterday was Tuesday, 17 Sep 2019


One week from now is %DATETIME{"$wday, $day $month $year" incdays="7"}%

results in:

One week from now is Wed, 25 Sep 2019


To create time-based topics:

%DATETIME{
"Create TODO topic for tomorrow: [[ToDo$year$mo$day]] ($lwday, $day $lmonth)"
incdays="1"
}%

results in:

Create TODO topic for tomorrow: ToDo20190919? (Thursday, 19 September)

Limitations

Due to date handling in Perl, DateTimePlugin cannot handle dates earlier than 1970.

Plugin Settings

Plugin settings are stored as preferences variables. To reference a plugin setting write %<plugin>_<setting>%, i.e. %DATETIMEPLUGIN_SHORTDESCRIPTION%

  • One line description, is shown in the TextFormattingRules topic:
    • Set SHORTDESCRIPTION = Display date and time with formatting options and localized dates

Localization

Localized dates are read from configure.

Debugging

Visit configure and set {DateTimePlugin}{Debug} to 1.

Plugin Installation Instructions

Note: You do not need to install anything on the browser to use this plugin. The following instructions are for the administrator who installs the plugin on the server where TWiki is running.

  • Download the ZIP file from the Plugin web (see below)
  • Unzip DateTimePlugin.zip in your twiki installation directory.
  • Enable the plugin in configure

Plugin Info

Plugin Author: TWiki:Main.AurelioAHeckert (2004), TWiki:Main.ArthurClemens (2008)
Plugin Version: 28 Feb 2008 (V1.0)
Change History:  
28 Feb 2008 1.0 Arthur Clemens: Major rewrite to make this plugin compatible with (and use from) TWiki::Time. Localized language strings are now read from configure.
27 Jul 2004 0.90 Aurelio A Heckert: First release
CPAN Dependencies: none
Other Dependencies: none
Perl Version: 5.005
License: GPL (GNU General Public License)
Plugin Home: http://TWiki.org/cgi-bin/view/Plugins/DateTimePlugin
Feedback: http://TWiki.org/cgi-bin/view/Plugins/DateTimePluginDev
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