The wedges inside the oval at left are oriented in the opposite direction compared with those outside at mea ke.

The location towards the end of the season of sun-is-present-on-the-island makes it reasonable to guess that Kb4-8 indicates summer solstice. He leaves abruptly at that time.

Viri at Kb4-6 has position 3 * 53 = 159 (counted from Ka1-1), and 3 is a number which suggests the 3 'feathers' of spring, while 53 signifies one more than 52 (similar to 29 being one more than 28).

The 'gnomon' at Kb4-7 is glyph number 100 counted from Ga3-15.