Just Events is a free WordPress plugin by WPExplorer that registers a new event post type (just_event) to your WordPress site for easily adding events.
Just Events plugin works best with a “Full Site Editing” block theme so you can easily create your archives and single event templates using the included Event Date, Event Time, Event Status and Event Link blocks or with a compatible Classic WordPress theme.
Features
Event post type.
Event fields for setting event details (all day, start date, end date, start time, end time and link).
Works with Block and Classic themes.
Uses theme templates and styles for a slim, fast and more compatible plugin.
Four useful blocks: Event Date, Event Time, Event Link and Event Status.
Two useful shortcodes: [just_events_event_date] and [just_events_event_time].
Option to hide past events from event archives.
Options to customize the event post type single and archive slugs.
Options to set your default event date and time format.
Options to modify the default formatted date and time separator.
More info: https://wordpress.org/plugins/just-events/
