Teachers spin it for calendar lessons, families for birthday games and planners for choosing when to take a trip. The twelve months of the year, from January to December, each have a 1 in 12 chance, about 8.3%.
Seven months have 31 days, four have 30, and February has 28, or 29 in a leap year. "Thirty days hath September, April, June and November" still helps.
| Month | Days |
|---|---|
| January | 31 |
| February | 28 (29 in a leap year) |
| March | 31 |
| April | 30 |
| May | 31 |
| June | 30 |
| July | 31 |
| August | 31 |
| September | 30 |
| October | 31 |
| November | 30 |
| December | 31 |
The chance of landing on a 31-day month is 58.3%, a 30-day month 33.3%, and February 8.3%.
Type names or options in the box, one per line. Your list stays saved in this browser.
Tap the wheel or the Spin button in its center, press Space, or flick the wheel with your finger or mouse.
The wheel slows down and stops on one slice. Spin again, or remove the winner to draw the next one.
We build tools that are as simple and intuitive as possible, with a few bonuses here and there. Tell us what would make this one better.
No. Each month has the same slice, whatever its length. If you want a random day of the year, where long months are more likely, spin a number from 1 to 365 instead.
Yes. Delete the summer months from the list, and the wheel keeps September to June, or whatever your school calendar is.
In the Northern Hemisphere, weather services count winter as December to February, spring as March to May, summer as June to August and fall as September to November. South of the equator, it is the other way round.
Yes. It is a good way to practice the order of the months: after each spin, the child names the next month and the one before.
Yes. It is free to use, funded by advertising, with no account and no app to install.
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