Quote:
String Fragment Description
d The one- or two-digit day.
dd The two-digit day. Single digit day values are preceded by a zero.
ddd The three-character weekday abbreviation.
dddd The full weekday name.
h The one- or two-digit hour in 12-hour format.
hh The two-digit hour in 12-hour format. Single digit values are preceded by a zero.
H The one- or two-digit hour in 24-hour format.
HH The two-digit hour in 24-hour format. Single digit values are preceded by a zero.
m The one- or two-digit minute.
mm The two-digit minute. Single digit values are preceded by a zero.
M The one- or two-digit month number.
MM The two-digit month number. Single digit values are preceded by a zero.
MMM The three-character month abbreviation.
MMMM The full month name.
s The one- or two- digit seconds.
ss The two-digit seconds. Single digit values are proceeded by a zero.
t The one-letter AM/PM abbreviation (that is, "AM" is displayed as "A").
tt The two-letter AM/PM abbreviation (that is, "AM" is displayed as "AM").
X A callback field. The control still uses the other valid format characters, and queries the owner to fill in the "X" portion. The owner must be ready to respond to events that request information about how to fill in these fields. Multiple 'X' characters can be used in series to signify unique callback fields.
y The one-digit year (that is, 1997 would be displayed as "7").
yy The last two digits of the year (that is, 1997 would be displayed as "97").
yyy The full year (that is, 1997 would be displayed as "1997").
If you don't have installed there is always MSDN on-linre - see link in my signature.