into account 1 hour for the summertime and about 45 minutes for the combination of length correction to the 15° meridian and the equation of time.
It is made 1722, so Greenwich etc. was not yet known.
Did you also see the smaller sundial that is mounted about 20 meters lower?
Thibaud Chabot

At 22:52 25-07-2002 +0200, you wrote:
We were in Amsterdam last week visiting the Royal Palace. It was noticed that
the large circular vertical sundial on the Church next door was over two hours
different from clock time.
Does anyone know why ?
David  UK.


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Thibaud Taudin-Chabot
52° 18' 19.85" North, 04° 51' 09.45" East, alt. -3.45 m
home email: [EMAIL PROTECTED]


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