microseconds since midnight

[Henning Diedrich]

Hi,

are now() and universaltime() incrementing their seconds count at the 
exact same time?

So that the seconds from calendar:time_to_seconds(universaltime()) and 
the microseconds from now() could simply be added up S*1000000+Ms?

Or would that risk having the microseconds going back to zero at 
different times then when the seconds counter is counted up?

Thanks,
Henning