S for san

S for san
san means the number 3
さん
さ=sa
ん=n
In Japanese, the months are as follows
ichi-gatsu - 1st month - January
ni-gatsu - 2nd month - February
san-gatsu - 3rd month - March
shi-gatsu - 4th month - April
go-gatsu - 5th month - May
roku-gatsu - 6th month - June
shichi-gatsu - 7th month - July
hachi-gatsu - 8th month - August
ku-gatsu - 9th month - September
Juu-gatsu - 10th month - October
Juuichi-gatsu - 11th month - November
Juuni-gatsu  - 12th month - December