Date Format in Excel
What is SQL Date Format and How to Change It? [Updated]
Date format converter
PHP: DateTime::format
Date Format Types
VIII RR allows you to store 20th-century dates in the 21st century using only two digits.
The following example includes the "m" custom format specifier in a custom format string.
Usually it's a result returned by some formula, but it may also happen when you type a negative value into a cell and then format that cell as a date.
.
The following example includes the "m" custom format specifier in a custom format string.
Usually it's a result returned by some formula, but it may also happen when you type a negative value into a cell and then format that cell as a date.
.