Some sections of software require a date in order to load a file, this calendar will often be used.
The red circle will show the current day. The black oval will highlight the current date chosen for the job in question. To pick a day on the calendar just click the day needed. If a different month is needed, either click on the current month to get a list of all 12 months or use the arrows at the top to move forward or backward one month. If a different year is needed, click on the current year and then click the up and down arrows to pick a new year.