| date formatting key |
| %a | am or pm |
| %A | AM or PM |
| %g | hour of the day, 12hr format, no leading zeros: 1 to 12 |
| %G | hour of the day, 12hr format: 01 to 12 |
| %h | hour of the day, 24hr format, no leading zeros: 0 to 23 |
| %H | hour of the day, 24hr format: 00 to 23 |
| %t | minutes of the hour: 00 to 59 |
| %T | seconds of the minute: 00 to 59 |
| %d | day of month, no leading zeros: 1 to 31 |
| %D | day of month, 2 digits: 01 to 31 |
| %s | day of month suffix: st, nd, rd, th |
| %S | day of month suffix, upper case: ST, ND, RD, TH |
| %e | day of week, abreviated: Sun, Mon, etc |
| %E | day of week, long form: Sunday |
| %w | day of week, as a single digit: 1 -sunday to 7 -saturday |
| %z | day of year: 0 to 365 |
| %m | month, as digits without leading zeros: 1 to 12 |
| %M | month, as 2 digits: 01 to 12 |
| %n | month name, abreviated: Jan |
| %N | month name, long form: January |
| %y | year as 2 digits: 01 |
| %Y | year as 4 digits: 2001 |
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