Choose your gnomon

Pencils gnomons 

 Alexandria, Egypt Xewkija, Malta Little Ferry, USA

Verticality if the pencil is fixed with plasticine (-)

Gnomon too small, the measure isn't accurate (-)

Easy to use(+)


Gnomons held with the hand

Dulut, USADulut, USAKaohsiung, TaiwanTeheran, Iran

Problems of verticality (--)

Gnomons planted in the ground  

Toszek, PolandJakarta, IndonesiaMeerut, IndiaMeerut, India

 Problems of verticality (-)

Interesting for a all day long measure(+)


Gnomons fixed on a board, with a shadow casted on the board

Canada de Gomez, ArgentinaXewkija, MaltaBeloeil, CanadaTheux, Belgium

If the gnomon isn't high enough, the measure isn't accurate (-)

Easy to use(+)

Bottle gnomon 

Lafrançaise, FranceLafrançaise, FranceLafrançaise, France

Verticality (+)


Gnomons planted in a pot

Madison, USAGreenfield, CanadaNutley, USAPujato, Argentina

Problem with the origin of the shadow (see FAQ>measure the shadow)


Gnomon laid on the ground

Bar Harbor, USAArras, FranceLeadville, USALeadville, USA
Trinec, Czek repLafrançaise, FrancePort Lincoln, AustraliaPozzalo, Italy
Ioannina, GreeceKuantan, MalaysiaMeerut, IndiaYamunanagar, India

Verticality (-)

accurate if high enough (100cm) (+)


Ready made gnomons

Trinec, Czek rep Trinec, Czek repElizabeth, USAElizabeth, USA
Aberdeen, Scotland Athens, GreeceRhodes, GreeceTbilisi, Georgia

Verticality (+)

Accurate (+)

Easy to use(+)


 Other gnomons

Window winter Window summerGhorakpur, India (CD box)Ghorakpur, India (CD box)
Ho Chi Minh city, Vietnam Lafrançaise, FranceValladolid, SpainKaohsiung, Taiwan




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