6 invocations of hook_date_formatter_pre_view_alter() in Date 8

DateDefaultFormatter::viewElements in lib/Drupal/date/Plugin/field/formatter/DateDefaultFormatter.php

Implements Drupal\field\Plugin\Type\Formatter\FormatterInterface::viewElements().

DateFieldDefaultFormatter::viewElements in date_field/lib/Drupal/date_field/Plugin/field/formatter/DateFieldDefaultFormatter.php

Implements Drupal\field\Plugin\Type\Formatter\FormatterInterface::viewElements().

DateFieldFormatIntervalFormatter::viewElements in date_field/lib/Drupal/date_field/Plugin/field/formatter/DateFieldFormatIntervalFormatter.php

Implements Drupal\field\Plugin\Type\Formatter\FormatterInterface::viewElements().

DateFieldPlainFormatter::viewElements in date_field/lib/Drupal/date_field/Plugin/field/formatter/DateFieldPlainFormatter.php

Implements Drupal\field\Plugin\Type\Formatter\FormatterInterface::viewElements().

DatePlainFormatter::viewElements in lib/Drupal/date/Plugin/field/formatter/DatePlainFormatter.php

Implements Drupal\field\Plugin\Type\Formatter\FormatterInterface::viewElements().

FormatIntervalFormatter::viewElements in lib/Drupal/date/Plugin/field/formatter/FormatIntervalFormatter.php

Implements Drupal\field\Plugin\Type\Formatter\FormatterInterface::viewElements().