HTSJ - How to speak of "twelve months in a year" in Japanese language

12 Months in a year => 十二月 => 十 - じゅう / 二 - に / 月 - がつ => juu-ni-ga-tsu


一月 => i-chi-ga-tsu => January

二月 => ni-ga-tsu => February

三月 => san-ga-tsu => March

四月 => shi-ga-tsu => April

五月 => go-ga-tsu => May

六月 => ro-ku-ga-tsu => June

七月 => shi-chi-ga-tsu => July

八月 => ha-chi-ga-tsu => August

九月 => ku-ga-tsu => September

十月 => juu-ga-tsu => October

十一月 => juu-i-chi-ga-tsu => November

十二月 => juu-ni-ga-tsu => December

*Note*

月 => tsu-ki => Month

年 => to-shi => Year