You can see all the abbrevation codes for date time display in ggplot at the following link HERE.
| Code | Meaning |
|---|---|
| %S | second (00-59) |
| %M | minute (00-59) |
| %l | hour, in 12-hour clock (1-12) |
| %I | hour, in 12-hour clock (01-12) |
| %H | hour, in 24-hour clock (01-24) |
| %a | day of the week, abbreviated (Mon-Sun) |
| %A | day of the week, full (Monday-Sunday) |
| %e | day of the month (1-31) |
| %d | day of the month (01-31) |
| %m | month, numeric (01-12) |
| %b | month, abbreviated (Jan-Dec) |
| %B | month, full (January-December) |
| %y | year, without century (00-99) |
| %Y | year, with century (0000-9999) |