Moon and the days

Moon = 月= つき

Month = 月= がつ

Moon stuff: つきつきつきつき… (from YOSF, it's a song)

Month stuff: いちがつ、にがつ、さんがつ… (counting months, but the correct way to write it - in Kanji - is the same as in Chinese - 一月、二月、三月…)