Caution! Your holidays table only extends...

[admin]

This is by design. We calculate working days, etc. for scheduling, etc. by keeping a table of holidays. We also use it for warnings, for example when someone puts in a holiday for a due date on a job. For speed it is important to keep the size of the table to the minimum required. It is part of your regular shopkeeper maintenance to keep this table up to date. There are buttons to automatically add Saturdays and Sundays. Add company holidays such as Christmas at the end of the list.

You can access the holidays maintenence form from the main menu.

Setup > Shop Calendar