date(1) on macOS
The text 5e06bdea10bd, as Mac OS X 10.3.9, Mac OS X 10.3.8, Mac OS X 10.3.7, Mac OS X 10.3.6, Mac OS X 10.3.5, Mac OS X 10.3.4 shipped it.
display or set date and time
Flags it lists
-
-n -
-r -
-u