BOOBOO: when you say the actual proper names of months, you pronounce it GATsu!!!That really is hard to remember.
In fact, I still mix the two up ９0％ of the time.
So, for my own benefit as much as your own, here's a mnemonic： You GOT TO leave in January, if you want your rocket to GET TO the moon.
The United States had to GET TO the moon before the Russians, because whoever got freaky with Moon Bitches first would get so much rep, the other country's game would never recover.
three months' time
three months' time, three months' duration
the New Year
the New Year - (BOOBOO: in Japan, that means not just January first but the whole first week)