11 h the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display)
12 hh the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display)
13 H the hour without a leading zero (0 to 23, even with AM/PM display)
14 HH the hour with a leading zero (00 to 23, even with AM/PM display)
19 z the milliseconds without leading zeroes (0 to 999)
20 zzz the milliseconds with leading zeroes (000 to 999)
21 AP or A interpret as an AM/PM time. AP must be either "AM" or "PM"
22 ap or a Interpret as an AM/PM time. ap must be either "am" or "pm"