This article will show you a way to note Cleaner's availability and requests off on the Zenmaid Calendar.
Availability
In the Tasks section on the top of the calendar, click the white space
A box will pop up with a New Task
Note the cleaner and their availability for the day (Eg. Amy: 9 AM - 1 PM)
You can manually change the dates by clicking on the white space
You can also change their weekly availability by clicking the 'Set to repeat' button and choosing weekly.
An option to choose which days they have the same availability will pop up
Request offs
Click on the white space and note the availability change
Click on the original availability and delete it