Drupal dates are typically stored in one of two ways. Core Drupal dates—including Node: Created Time, and Node: Updated Time—are stored as Unix timestamps. Contributed module date fields can be stored as either a timestamp or a format known as ISO. Neither style is particularly friendly to human readers, so both field types are usually formatted before users see them. This recipe offers a tour of places in Drupal where dates can be formatted and information on how to customize the formats.
What’s that Lucky Day?
The Unix timestamp 1234567890 fell on Friday the 13th, in February, 2009. This timestamp marks 1,234,567,890 seconds since January 1, 1970. The same date/time combination would be stored in a date field in ISO format as 2009-02-13T23:31:30+00:0. ISO is an abbreviation for the International Organization for Standardization
Below is the list of codes for many commonly used date and time formats. A more comprehensive list appears at http://us.php.net/date.
| Location | Details |
| CCK field setup | Custom Input formats admin/content/types/story/add_field
After the field widget is specified admin/content/types/<CONTENTTYPE>/fields/field_<FIELDNAME> Near the top of the page.
Near the bottom of the page:
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| Formatting Fields in Views. | admin/build/views/<VIEW_NAME>/edit CCK Date fields are set via the Options drop-down in the Fields fieldset.
Custom date formats for core fields, such as Node: Created Time are set via handler and options from elements.
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| Default Date and Time settings | admin/settings/date-time Set the default time zone, Short, Medium, and Long date formats, and the first day of the week.
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| Post Settings | This may be one of the harder-to-find settings in Drupal, enabling the Post settings to be turned-off for specified content types. (An example of a post setting would be: Submitted by admin on Sun, 10/12/2008 – 4:55pm. The setting is found on the right-hand side of this URL: admin/build/themes/settings Use the following mouse click trail to get to this URL: Administer | Site Building | Themes | Configure (Click on the Configure tab at the top of the page. If you click on the Configure link in the Operations column, you will still need to click the Configure tab at the top to get to the global settings.)
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| Variable overrides in settings.php | You may override variables at the bottom of the /sites/default/settings.php file. Remove the appropriate pound signs to enable the $conf array, and add a setting as shown below. Note that this is a quick way to modify the post settings format, which draws from the medium date variable. $conf = array( # ‘site_name’ => ‘My Drupal site’, # ‘theme_default’ => ‘minnelli’, # ‘anonymous’ => ‘Visitor’, ‘date_format_medium’ => ‘l F d, Y’ ); |
| Examples: node-story.tpl.php <?php print format_date($node->created, ‘custom’, ‘F Y’); ?>
<?php echo t(‘On ‘) . format_date($comment->timestamp, |
| Redefine $variables[‘submitted’] Example from blommor01 theme: $vars[‘submitted’] = t(‘!user – <abbr class=”created” ‘!user’ => theme(‘username’, $vars[‘node’]), ‘!date’ => format_date($vars[‘node’]->created), ‘!microdate’ => format_date($vars[‘node’]-> )); |
Note that when using the PHP date codes, additional characters may be added, including commas, spaces, and letters. In the template.php example, a backslash was used to show that the letter ‘T’ will be printed, rather than the formatted return values. Below are more examples of added characters:
F j, Y, g:i a // August 27, 2010, 5:16 pm
m.d.y // 08.27.10
You may occasionally find that an online date converter comes in handy.
(this URL includes the word “converter” followed by another “er”).
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