As in most places the earth is rotating fully once every 24 hours the sun isn't stationary in the sky. Consequently the depicted shadow - if it is bothersome at

As in most places the earth is rotating fully once every 24 hours the sun isn't stationary in the sky. Consequently the depicted shadow - if it is bothersome at all, is so only a few minutes per day. Mind that, only on a clear day, clouds would prevent taht too.