We can list the rei miro glyphs in the G calendar and compare them with those in E:

-				5	spring equinox
		Eb3-4
1				7	start of 2nd quarter
	Ga2-27	Eb3-20
13		2nd quarter ends in G with period no. 12
	Ga4-17
16		16 = 32 / 2. No moon crescents on rei miro means 'end'
	Ga5-1
17				18	autumn equinox
	Ga5-6	Eb5-7
-				24	winter solstice
		Eb5-32	Eb6-4