1)
Why does the Torah repeat "Mo'adei Hashem"?
1.
Rashi: Pasuk 2 refers to arranging an Ibur Shanah (a leap-year), and this Pasuk, to Kidush ha'Chodesh - the Mitzvah on Beis-Din to sanctify each month. 1
2.
Ramban: Refer to 23:3:1:3*.
2)
How will we reconcile "Eileh Mo'adei Hashem" with "asher Tikr'u osam (Atem)"?
1.
Yerushalmi Rosh Hashanah, 1:3: 'Until now they were My festivals; from now on they are your festivals!' 1
1
Seee Torah Temimah, note 13/
3)
What are the connotations of the word "be'Mo'adam'?