Slitaz -- hwclock

Usage: hwclock [-r|--show] [-s|--hctosys] [-w|--systohc]

-s Set system time from hardware clock
-w Set hardware clock to system time
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tux@slitaz:~$ hwclock --help

Command line: hwclock --help

BusyBox v1.18.4 (2012-01-24 12:31:29 CET) multi-call binary.

Usage: hwclock [-r|--show] [-s|--hctosys] [-w|--systohc] [-l|--localtime] [-u|--utc] [-f FILE]

Query and set hardware clock (RTC)

Options:
-r Show hardware clock time
-s Set system time from hardware clock
-w Set hardware clock to system time
-u Hardware clock is in UTC
-l Hardware clock is in local time
-f FILE Use specified device (e.g. /dev/rtc2)

tux@slitaz:~$