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gptkbp:instanceOf
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gptkb:scientific_instrument
gptkb:sundial_component
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gptkbp:angle
|
depends on latitude
|
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gptkbp:category
|
gptkb:scientific_instrument
gptkb:timekeeping_device
|
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gptkbp:component
|
gptkb:castle
|
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gptkbp:directionA
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aligned with Earth's rotational axis
|
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gptkbp:etymology
|
Greek: gnomon, meaning 'indicator' or 'one who knows'
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gptkbp:foundIn
|
gardens
observatories
public squares
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gptkbp:length_of_shadow
|
varies with season
varies with time
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gptkbp:material
|
gptkb:metal
gptkb:stone
gptkb:wood
|
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gptkbp:notableExample
|
gptkb:Gnomon_of_Augustus
gptkb:Gnomon_of_Saint-Sulpice
|
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gptkbp:notableProject
|
shadow
|
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gptkbp:relatedTo
|
gptkb:analemmatic_sundial
equatorial sundial
obelisks
shadow clocks
|
|
gptkbp:requires
|
sunlight
|
|
gptkbp:shadow_indicates
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gptkb:time_of_day
|
|
gptkbp:shape
|
gptkb:silk
rod
triangular plate
|
|
gptkbp:used_in
|
gptkb:Babylon
gptkb:China
gptkb:India
gptkb:ancient_Greece
gptkb:ancient_Egypt
gptkb:ancient_Rome
Islamic astronomy
|
|
gptkbp:usedFor
|
measuring time
measuring latitude
determining equinoxes
determining solar position
determining solstices
measuring altitude of the sun
|
|
gptkbp:usedUntil
|
ancient times
|
|
gptkbp:bfsParent
|
gptkb:Vatican_Obelisk
|
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gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Gnomon (sundial)
|