Custom Date Formatting
Name Symbol Number Value
Year y 1 or more Year with 0 padding, except for yy which
 also truncates to 2 digits
Month M 1..2 Month with 0 padding
MMM 3 Abbreviated month name (Sept)
MMMM 4 Full month name (September)
Day d 1..2 Day of month with 0 padding (4, 04)
Hour (12) h 1..2 Hour of day (1-12) with 0 passing (4, 04)
Hour (24) H 1..2 Hour of day (0-24) with 0 padding (4, 04)
Period a 1 AM or PM
Minute m 1..2 Minute with 0 padding (4, 04)
Second s 1..2 Second with 0 padding (4, 04)
SubSecond S 1 or more Fractional second truncated to number of
 symbols

   For more options and information: Unicode Date Format Patterns