The Date Picker dialog provides a pane of controls designed to allow you to maipulate and to select a date.

Date label
In the example above, July 4, 2042 has been selected. It is a Friday and it is in the 27th week of the year. The label is always up to date.

Today
Click on the Today button in order to select the today's date.

Week of year
Click on the "Week of year" button to open a dialog that allows you to enter a particular week of the year that you currently have selected.

+/- Day(s)
Increment or decrement the day value with the "+/- Day(s)" button.

+/- Week(s)
Increment or decrement the week value with the "+/- Week(s)" button.

+/- Month(s)
Increment or decrement the day value with the "+/- Month(s)" button.

+/- Quarter(s)
Increment or decrement the week value with the "+/- Quarter(s)" button.

+/- Year(s)
Increment or decrement the week value with the "+/- Year(s)" button.

Wikipedia
Opens your browser and shows events of the day that you have selected at Wikipedia.

Ok
A click on the Ok button transfers the date value to the NumericalChameleon's category Queries on a Date.

Close
A click the "Close" button closes the dialog.