1. | Directive | Meaning                                                        | Example                 | 
    2. |-----------|------------------------------------------------------------------------------------------|
    3. |%a         | Abbreviated weekday name.                                      | Sun, Mon, ..            | 
    4. |%A         | Full weekday name.                                             | Sunday, Monday, ...     | 
    5. |%w         | Weekday as a decimal number.                                   | 0, 1, ..., 6            | 
    6. |%d         | Day of the month as a zero-padded decimal.                     | 01, 02, ..., 31         | 
    7. |%-d        | Day of the month as a decimal number.                          | 1, 2, ..., 30           | 
    8. |%b         | Abbreviated month name.                                        | Jan, Feb, ..., Dec      | 
    9. |%B         | Full month name.                                               | January, February, ...  | 
    10. |%m         | Month as a zero-padded decimal number.                         | 01, 02, ..., 12         | 
    11. |%-m        | Month as a decimal number.                                     | 1, 2, ..., 12           | 
    12. |%y         | Year without century as a zero-padded decimal number.          | 00, 01, ..., 99         | 
    13. |%-y        | Year without century as a decimal number.                      | 0, 1, ..., 99           | 
    14. |%Y         | Year with century as a decimal number.                         | 2013, 2019 etc.         | 
    15. |%H         | Hour (24-hour clock) as a zero-padded decimal number.          | 00, 01, ..., 23         | 
    16. |%-H        | Hour (24-hour clock) as a decimal number.                      | 0, 1, ..., 23           | 
    17. |%I         | Hour (12-hour clock) as a zero-padded decimal number.          | 01, 02, ..., 12         | 
    18. |%-I        | Hour (12-hour clock) as a decimal number.                      | 1, 2, ... 12            | 
    19. |%p         | Locale’s AM or PM.                                             | AM, PM                  | 
    20. |%M         | Minute as a zero-padded decimal number.                        | 00, 01, ..., 59         | 
    21. |%-M        | Minute as a decimal number.                                    | 0, 1, ..., 59           | 
    22. |%S         | Second as a zero-padded decimal number.                        | 00, 01, ..., 59         | 
    23. |%-S        | Second as a decimal number.                                    | 0, 1, ..., 59           | 
    24. |%f         | Microsecond as a decimal number, zero-padded on the left.      | 000000 - 999999         | 
    25. |%z         | UTC offset in the form +HHMM or -HHMM.                         |                         | 
    26. |%Z         | Time zone name.                                                |                         | 
    27. |%j         | Day of the year as a zero-padded decimal number.               | 001, 002, ..., 366      | 
    28. |%-j        | Day of the year as a decimal number. 1, 2, ..., 366            |                         | 
    29. |%U         | Week number of the year (Sunday as the first day of the week). | 00, 01, ..., 53         | 
    30. |%W         | Week number of the year (Monday as the first day of the week). | 00, 01, ..., 53         | 
    31. |%c         | Locale’s appropriate date and time representation.             | Mon Sep 30 07:06:05 2013|
    32. |%x         | Locale’s appropriate date representation.                      | 09/30/13                | 
    33. |%X         | Locale’s appropriate time representation.                      | 07:06:05                | 
    34. |%%         | A literal '%' character.                                       | %                       |