After you've thought about it a bit, you can report back.


"Navigator" wrote in message
...


Jeff Morris wrote:
Are you claiming its broken?

There are a number of factors that determine the time between moonrise and
moonset. However, there is no reason why a 12 hour duration can't occur,
and no
reason why it can't happen from 4pm to 4am.


Yes, but is the period from rise to set at a fixed location constant?
And yes I'm trying to get some thinking going.

Cheers