一到十二个月的英语分别是：
January
February
March
April
May
June
July
August
September
October
November
December
这些月份的英文名称都是源自古罗马时期。
例句：
My birthday is in January. (我的生日在一月。)
They are getting married in June. (他们将于六月结婚。)
We're going on vacation in August. (我们将在八月度假。)
Christmas is in December. (圣诞节在十二月。)