This picture is so similar to another one that it must be the same scene, if not by the same maker (and about the same period). The other picture has: "The man looking up to a sundial on a pillar knows what those who can read Greek (not I) can read: It's past nine. This would indicate: end of a working day, off to the fun. From Harbiye, fourth century AD, inv. 865. " This one has no text, but is damaged.