All formatted output of datetime

Example: Today, July 22, datetime. Now. tostring ("yyyy-mm-dd") returns "April 24 ".

The following is an SDK from 1.1:

D. display the day as a number without leading zero (for example, 1 ). If this is a unique character in the User-Defined number format, use % d.
Dd displays the day as a number with a leading zero (for example, 01 ).
Ddd displays the day as an abbreviation (for example, Sun ).
Dddd displays the day as the full name (for example, Sunday ).

M Displays the month as a number without leading zero (for example, January 1, January ). If this is a unique character in the User-Defined number format, use % m.
MM displays the month as a number with a leading zero (for example, 01/12/01 ).
Mmm displays the month as an abbreviation (for example, Jan ).
Mmmm displays the month as the complete month name (for example, January ).

Gg display the time/epoch string (for example, A. D .)

H uses the 12-hour system to display the hour as a number without leading zero (for example, 1:15:15 ). If this is a unique character in the User-Defined number format, use % H.
HH uses the 12-hour system to display the hour as a number with a leading zero (for example, 01:15:15 ).
H uses the 24-hour system to display the hour as a number without leading zero (for example, 1:15:15 ). If this is a unique character in the User-Defined number format, use % H.
HH uses the 24-hour system to display the hour as a number with a leading zero (for example, 01:15:15 ).

M Displays the minute as a number without leading zero (for example ). If this is a unique character in the User-Defined number format, use % m.
MM displays the minute as a number with a leading zero (for example, 12:01:15 ).

S displays the second as a number without leading zero (for example ). If this is a unique character in the User-Defined number format, use % S.
SS displays seconds as numbers with leading zeros (for example, 12:15:05 ).

F displays the fractional part of the second. For example, FF is precisely displayed to 1% seconds, while FFFF is precisely displayed to one in ten seconds. Up to seven F characters can be used in a user-defined format. If this is a unique character in the User-Defined number format, use % F.

T uses the 12-hour format, and displays uppercase A for any hour before noon, and uppercase P for any hour between noon and p.m. If this is a unique character in the User-Defined number format, use % T.
TT uses the 12-hour format, and displays the uppercase am for any hour before noon; for any hour between noon and p.m., the uppercase PM is displayed.

Y displays the year (0-9) as a number without leading zero. If this is a unique character in the User-Defined number format, use % Y.
YY displays the year in the format of two digits with leading zeros (if applicable ).
YYY displays the year in four-digit format.
Yyyy displays the year in four-digit format.

Z shows the time zone offset without leading zero (for example,-8 ). If this is a unique character in the User-Defined number format, use % Z.
ZZ displays the time zone offset with the leading zero (for example,-08 ).
ZZZ shows the full time zone offset (for example ).