Holiday in Zdoo is set to better record the attendance.
Go to OA->Holiday and click Create. You can create Holiday or Working Day. Holiday usually means the national holidays and Working Day means that the day that employees are supposed to work but take a leave for some reason. The latter is more related to Makeup in Zdoo. Click HERE to read more about Makeup feature in Zdoo.
You can edit or delete a holiday.
Set Double Seventh Day 2019 in Zdoo and see how it works in Attendance.
Create Double Seventh Day 2019 in Holiday.
Go to OA->Attendance, and you will see that Double Seventh Day is set as off, so that day will not be records as a work day in Attendance report.
If any questions, feel free to contact us at Renee@easysoft.ltd.