https://www.drupal.org/project/addtocal_augment
https://www.drupal.org/project/bookable_calendar
https://www.drupal.org/project/bee
https://www.drupal.org/project/bat
https://www.drupal.org/project/date_all_day
https://www.drupal.org/project/date_augmenter
https://www.drupal.org/project/date_content
https://www.drupal.org/project/daterange_compact
https://www.drupal.org/project/datetime_extras
https://www.drupal.org/project/duration_field
https://www.drupal.org/project/event
https://www.drupal.org/project/event_platform
https://www.drupal.org/project/month_year
https://www.drupal.org/project/month_year_range
https://www.drupal.org/project/office_hours
https://www.drupal.org/project/oh
https://www.drupal.org/project/optional_end_date
https://www.drupal.org/project/rng
https://www.drupal.org/project/views_daterange_filters
https://www.drupal.org/project/views_dates
https://www.drupal.org/project/year