Date
A Date column stores a single date (and optionally time) per row. Users choose the value via a calendar.
New column form
When you add a Date column, you configure it in the New column modal.

Name
The Name of the column — this is the label shown in the table header. For example: "Due date", "Created at", "Deadline".
Private
When Private is on, the column is visible and editable only for selected users and groups. You define who can view and edit the column. Other users will not see or edit this column.
Column types: Overview · Text · Number · Status · Timespan · Date · People · List · Project list · Files · Owner · Checkbox · ID