Work schedule - it is important to create & set up a proper work schedule. In Configuration → Work schedule, you can define a schedule. For example, you can set it up so that part-time employees will work 4 hours per day or only on Monday, Tuesday, Thursday, and Friday 😉

Absence type configured in hours unit - Configuring the absence type in hours unit may turn out to be necessary when a part-time employee wants to create a leave request.
For example, 1 day off requested by a full-time employee will be the very same 1 day off for a part-timer too.
In order to avoid this situation, we recommend creating a new absence type in hours unit and restrict the entire absence type only to part-time contract type/part-time employees. By doing this, the part-time employee will be able to request a specific number of hours that will represent their whole day.