A SilverStripe form field for entering dates based on the UK Government’s date input pattern

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1.0.0 2021-08-11 10:10 UTC

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Last update: 2024-04-27 09:40:28 UTC


A form field for entering dates based on the GOV.UK Design System’s date input pattern, which uses three separate inputs for day, month, and year.


SimpleDateField::create('DateOfBirth', 'Date of birth');

// Or to offer the inputs in a different order
SimpleDateField::create('DateOfBirth', 'Date of birth', null, SimpleDateField::YMD);
SimpleDateField::create('DateOfBirth', 'Date of birth', null, SimpleDateField::MDY);

If you choose to manually pass a date to the $value argument, it must be in the ISO 6801 date format (YYYY-MM-DD).

Date of birth

If using this field to allow users to enter their date of birth, it’s recommended to add relevant autocomplete attributes to assist this.

$field = SimpleDateField::create('DateOfBirth', 'Date of birth');
$field->getDayField()->setAttribute('autocomplete', 'bday-day');
$field->getMonthField()->setAttribute('autocomplete', 'bday-month');
$field->getYearField()->setAttribute('autocomplete', 'bday-year');


No front-end styling is provided to display the fields “inline”. You could use the CMS styling for inspiration: check out client/src/bundles/cms.scss.


  • Add translation entities for labels/error messages
  • Min/max date options
  • Unit tests