Holiday on Rosh Chodesh v/s Chodesh Kislev v/s Chodesh Cheshvan

Where it says "Chodesh...." on various dates (such as on Oct. 2nd and on Oct. 30th), that means "the month of....".. Where it says "Rosh Chodesh..." (such as on Oct. 6th and Nov. 5th), that means "the head of the month of...". The month of Cheshvan ("Chodesh Cheshvan") cannot be before the first of the month of Cheshvan ("Rosh Chodesh Chesvan"). The month of Kislev ("Chodesh Kislev") cannot be before the first of the month of Kislev ("Rosh Chodesh Kislev").