Schedule Management > Configuring Schedule Manager > Setting up work calendars
Set times for specific dates
Procedure
- Open the calendar to update.
- Schedule calendar — Choose Schedule → Schedule Calendar.
- Schedule user calendar — From the Schedule Membership dialog box, click the Calendar button next to the resource name.
- Select the day you want to change.
- To change a workday to a holiday, select Non Working.
- To change the working times, select Working HH:MM.
- Click Details to adjust the working times.
- Click OK.
Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.plm00054/set_hours_for_specific_dates · retrieved 2026-07-10