sudo hwclock --debug
[sudo] password for dave:
hwclock from util-linux 2.28.2
Using the /dev interface to the clock.
Assuming hardware clock is kept in UTC time.
Waiting for clock tick...
...got clock tick
Time read from Hardware Clock: 2017/01/02 17:41:52
Hw clock time : 2017/01/02 17:41:52 = 1483378912 seconds since 1969
Time since last adjustment is 1483378912 seconds
Calculated Hardware Clock drift is 0.000000 seconds
2017-01-02 17:41:51.405775+0:00