An analemmatic sundial is very suitable on a square or on a school yard.
A person acts as a shadowcaster and needs to stand on the correct date in the middle of a date strip.
His or her shadow than points to time points on an elliptical scale.

An advantage of an analemmatic sundial is that it doesn't need vertical elements.
Although, vertical elements can be added as may be seen in the above example
Many more about analemmatic sundail can be read at the WEB site of Frans Maes.
See "Links / members"
date: December 2002
English translation: RH