The Keiti calendar has more Rei glyphs to offer, for example:

Eb3-1	Eb3-2	Eb3-3	Eb3-4	Eb3-5
Eb5-4	Eb5-5	Eb5-6	Eb5-7	Eb5-8

The Rei glyphs are here used at the beginning of respectively at the end of the summer season (as defined by the equinoxes).