How Many Days are in a Month

The months of the year have 31, 30, or 28/29 (February) days. Instantly check today’s month: June means 30 days—great for scheduling billing cycles or content calendars.

NumericFull NameAbbrDays
1JanuaryJan31
2FebruaryFeb28
3MarchMar31
4AprilApr30
5MayMay31
6JuneJun30
7JulyJul31
8AugustAug31
9SeptemberSep30
10OctoberOct31
11NovemberNov30
12DecemberDec31

Mnemonic poem

Thirty days hath September,
April, June, and November;
February has twenty-eight alone,
All the rest have thirty-one.
But in a leap year, once in four,
February has one day more.