Measures in Lafrancaise
2006 june 19 juin
solar midday 13h57min (CET)
angle to vertical: 20°40'
Measures in San Lawrenz , Malta
latitude 36°03' Nord; longitude 14°12' Est
2006 june 23 ; solar: 11h05min TU
Gnomon length: 1 meter ; Shadow length: 18cm
angle to verticale: 10° (thanks to Saviour Tabone)
angle difference between both measures:
20°40'-10°=10°40'=10,667°
distance between both places: 300km
méridien= 300 x 360 / 2,667 = 30 374 km
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