The following options are available under
Time format:
Choose between twelve-hour (AM/PM) and twenty-four-hour time formats.
Time zone and Second zone:
The city you are located in, and optionally a second city.
Week starts on:
Select the day to display as the first in each week.
Work days:
Define which week days are work days.
Day begins:
Define at which time your work day begins.
Day ends:
Define at which time your work day ends.
If you want to be warned before you delete any appointment, select this option.