d (short date) – For example, 2009-06-15T13:45:30 -> 6/15/2009 (en-US)
D (long date – For example, 2009-06-15T13:45:30 -> Monday, June 15, 2009 (en-US)
f (Full date/time pattern (short time) – 2009-06-15T13:45:30 -> Monday, June 15, 2009 1:45 PM (en-US)
F Full date/time pattern (long time) – 2009-06-15T13:45:30 -> Monday, June 15, 2009 1:45:30 PM (en-US)