Months containing different birthday
136449
Combinatorics problem on $20$ people, $12$ months, and distinguishable groups
40902
PHP: Adding months to a date, while not exceeding the last day of the month
137515
Understanding the "Birthday Problem"
117275
What is the best way to determine the number of days in a month with JavaScript?
45847
How to correctly sort calendar months "mmm" with AutoFilter?
137365
Calculate age with decimals from date of birth
116186
How to subtract months from a date in R?
106124
Is one preposition enough for multiple months?
155678
REST API filter by month
157750
A reverse birthday problem: no pair out of 1 million aliens shares a birthday; what is their year length?
113053
Zero-based month numbering
112246
Do American users also confuse the day and the month in dates like 01/02/2013
141817
How do hyphens modify the meaning of "n-month-old"?
115413
How to parse a month name (string) to an integer for comparison in C#?
58641
Arguments for/against same birthday for siblings?
153417
Celebrating the same new year several times over?
1728
Convert Month Number to Month Name Function in SQL