Memo: yyyy-mm-dd hh: mm: SS
D. A single-digit date has no leading zero.
A day in DD month. A single-digit date has a leading zero.
The abbreviation of a day in DDD Week, which is defined in abbreviateddaynames.
The full name of the Day of the dddd Week, which is defined in daynames.
M month number. One-digit month does not have a leading zero.
Mm Month number. A single-digit month has a leading zero.
The abbreviated name of the mmm month, which is defined in abbreviatedmonthnames.
The full name of the mmmm month, which is defined in monthnames.
Y does not contain the year of the epoch. It does not have a leading zero.
YY does not contain the year of the epoch. Has a leading zero.
Yyyy includes the four-digit year of the epoch.
Gg period or epoch.
H 12-Hour. One-digit hours do not have a leading zero.
The hour in HH 12-hour format. The number of hours in a single digit has a leading zero.
H In 24-hour format. One-digit hours do not have a leading zero.
The hour in the 24-hour format. The number of hours in a single digit has a leading zero.
M minutes. The number of minutes in a single digit does not start with zero.
MM minutes. The number of minutes in a single digit has a leading zero.
S seconds. The number of seconds in a single digit does not have a leading zero.
SS seconds. The number of seconds in a single digit has a leading zero.
The decimal precision of second F is one digit. The remaining numbers are truncated.