Hi Petra & All,
Looking at the balcony/awning in the upper left corner of the painting and assuming it is level (ie the same as the horizon) and measuring the angle of the shadow it casts with a protractor, the angle of the shadow is 36 degrees -- indicating the altitude of the Sun is about 36 degrees.
However, Paris is at approximately 48 degrees N and given the Sun is in Ophiuchus on 2 December at about 22 degrees S declination it means the maximum altitude it attains on 4 December is about 20 degrees.
You cannot determine the time from the painting because the Sun is at an impossible angle for 4 December.
Best,
L.
Last edited by ngcles; 07-10-2019 at 05:10 PM.
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