If you need to change an employee’s day program for a certain day this can be done from Daily Details, using the Alternate Day Program feature.
1) Select the employee from the Employee List
2) Select the Daily Details icon.

3) Select the date where the day program should be changed.
4) Right-click in the Day Program area in the bottom left of the screen.

5) Select Alternate Day Program.
6) From the resulting dropdown list, select the day program to apply.