Available since 5.50.0 / 6.10.0
The Enhancer Plugin offers advanced customization of calendars. You can add multiple time frames for each day, recurrent or one-off holidays, and even half days.
To add a new calendar or customize an existing one simply go to JEP Menu > Calendars.
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Shared Holidays: These holidays are shared by all calendars. Any changes made on these holidays will affect all calendars. Keep in mind that each calendar evaluates those dates within its own time zone.
Migrating to a New Calendar System
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