These rays appear to be from a rising sun but the giveaway is the sunlit clouds, lit from the right. The rays apparently converge towards the antisolar point. They are thus better called antisolar rays rather than anticrepuscular.
The rays of course do not converge. They are parallel and slope gently downwards from the low sun as they cross the Venetian sky. Perspective has them converge, like railroad tracks, roads and ploughed fields.
The rays paradoxically brighten as they approach the antisolar point and also get more distant. The camera is then looking more directly along their length and seeing a longer path through their sunlit air.