hwclock(8) on Linux
The text e9c88ded8c42, as Debian 12 (Bookworm) shipped it.
time clocks utility
Flags it lists
-
--adjfile -
--date -
--debug -
--delay -
--directisa -
--epoch -
--noadjfile -
--rtc -
--test -
--update-drift -
--verbose -
-D -
-f -
-v