Issue #2309221 by mikey_p: Drupal\Core\Datetime\Date should be renamed to DateFormatter.

core/core.services.yml

core/includes/batch.inc

core/includes/common.inc

core/lib/Drupal/Core/Datetime/DateFormatter.php

core/lib/Drupal/Core/Test/TestRunnerKernel.php

core/modules/aggregator/aggregator.theme.inc

...odules/aggregator/src/Controller/AggregatorController.php

core/modules/aggregator/src/Entity/Feed.php

core/modules/aggregator/src/Form/OpmlFeedAdd.php

...ator/src/Plugin/aggregator/processor/DefaultProcessor.php

core/modules/block/src/BlockBase.php

core/modules/block/src/Tests/BlockInterfaceTest.php

core/modules/comment/src/Form/CommentAdminOverview.php

core/modules/comment/src/Tests/CommentTokenReplaceTest.php

...modules/config_translation/src/FormElement/DateFormat.php

core/modules/contact/src/Controller/ContactController.php

core/modules/contact/src/Tests/ContactPersonalTest.php

core/modules/contact/src/Tests/ContactSitewideTest.php

.../Plugin/Field/FieldFormatter/DateTimeDefaultFormatter.php

core/modules/dblog/src/Controller/DbLogController.php