To format a date into a string - format(<date>, <format_string>)
To read in dates in a format - as.Date(<date_string>, format = <format_string>)
| Symbol | Meaning | Example |
|---|---|---|
| %d | day as a number (0-31) | Jan-31 |
| %a | abbreviated weekday | Mon |
| %A | unabbreviated weekday | Monday |
| %m | month (00-12) | 00-12 |