dateutils.ddiff(1) on Linux
The text 3fd72063d54b, as Debian 8 (Jessie) shipped it.
Compute duration from DATE/TIME (the reference date/time) to the other
Flags it lists
-
--backslash-escapes -
--format -
--from-zone -
--help -
--input-format -
--quiet -
--version -
-V -
-e -
-f -
-h -
-i -
-q