hwclock(8) on Linux
The text b6c6755b9dab, as Debian 9 (Stretch) shipped it.
read or set the hardware clock (RTC)
Flags it lists
-
--adjfile -
--badyear -
--date -
--debug -
--directisa -
--localtime -
--noadjfile -
--rtc -
--test -
--update-drift -
--utc -
-D -
-f -
-u