SOLAR CARDS RIGA - LATVIA
EQUINOX 21 March - 23 September
Lat = 56° 56' 58,86'' N
Long. = 24° 06' 18,61''
Alt. = 0 - 15 mt
The sun rises 06h 30' 38''
The sun sets 18h 30' 38''
T.L. (local costant) = 01h 36' 25''
W (hour angle) = ± 90° 18' 20''
Azimut max = ± 90° 00' 00''
Zenit max = 32° 51' 04''
Ho (solar radiation) = 2,867 kw/m2daytime
Arch. Giuseppe Devito





Ivan Osipovoc Jarkovskij
Vitebsk
1844 - 1902



Ljudmila Ivanovna
Cernych
1935