widget_calendar(3tk) on Linux
The text 0637e6592a1f, as Debian 7 (Wheezy) shipped it.
widget::calendar Megawidget
Flags it lists
-
-command -
-dateformat -
-firstday -
-font -
-highlightcolor -
-language -
-shadecolor -
-showpast -
-textvariable