[time-nuts] Car Clock drift - the lowly 32kHz tuning fork crystal specs

[iovane at inwind.it]

>I only set the car clock twice a year, at daylight savings time changes.
>Yet between daylight savings time changes, the car clock never drifts by
>more than a minute.

Just to testify that I do exactly the same on the clock of my old mercedes. I' 
ve alwais been unable to estimate the half-year drift because it is always very 
less than 1 minute.

iov