hwclock(8) on Linux
The text 1434b781cbbb, as Debian 10 (Buster) shipped it.
time clocks utility
Flags it lists
-
--adjfile -
--date -
--debug -
--delay -
--directisa -
--epoch -
--localtime -
--noadjfile -
--rtc -
--test -
--update-drift -
--utc -
--verbose -
-D -
-f -
-l -
-u -
-v