http://www.tcl.tk/man/tcl8.4/TclCmd/time.htm 

----
In a different use of the word '''time''',
[LV] asks "Has anyone written a ''time'' chooser similar to the date chooser
widgets written elsewhere on the Wiki?"

Larry refers to [A little date chooser] and [An i15d date chooser].
You can measure the runtime of a lengthy script with the following pattern:
You might like to check out: [timeentry] and [timefield].

----
[Tcl syntax help]
- [Arts and crafts of Tcl-Tk programming]
- [Category Command]