If you want to display date and time in a unique format, you can customize the formatting of these values by using dedicated notation. The notation differs based on whether you want to include only a single date or time element in one field, or many elements in one field.  

Multiple-segment notation

Symbol  Meaning  Example 
d  Day as 1-31  d-MMM-yy = 6-Jan-23 
dd  Day as 01-31  MMMM dd = January 06 
ddd  Day as Mon-Sun  ddd, MMMM dd, yyyy = Fri, January 06, 2023 
dddd  Day as Monday-Sunday  dddd, M/d/yy = Friday, 1/6/23 
M  Month as 1-12  M/d/yy = 1/6/23 
MM  Month as 01-12  MM/yyyy = 01/2023 
MMM  Month as Jan-Dec  d MMM yyyy = 6 Jan 2023 
MMMM  Month as January-December  MMMM d = January 6 
yy  Year as 00-99  d MMM yy = 6 Jan 23 
yyyy  Year as 2000-9999  MMM dd, yyyy = Jan 06, 2023 
h  Hour as 0-12  h:mm:ss = 1:07:08 
hh  Hour as 00-12  hh:mm:ss tt = 01:07:08 PM 
H  Hour as 0-23  H:mm = 9:07 
HH  Hour as 00-23  HH:mm = 13:07 
m  Minute as 1-59  m:ss = 7:08 
mm  Minute as 01-59  d-MMM-yy h:mm:ss = 6-Jan-23 1:07:08 
s  Second as 1-59  h:m:s = 1:7:8 
ss  Second as 01-59  dddd, M/d/yy h:mm:ss = Friday, 1/6/23 1:07:08 
t  A/P  hh:mm:ss t = 01:07:08 P 
tt  AM/PM  MMMM dd, hh:mm tt= January 06, 01:07 PM  

Single-segment notation

Symbol   Meaning  Example 
%d  Day as 1-31  %d = 6 
dd  Day as 01-31  dd = 06 
ddd  Day as Mon-Sun  ddd = Tue 
dddd  Day as Monday-Sunday  dddd = Tuesday 
%M  Month as 1-12  %M = 1 
MM  Month as 01-12  MM = 01 
MMM  Month as Jan-Dec  MMM = Jan 
MMMM  Month as January-December  MMMM = January 
yy  Year as 00-99  yy = 09 
yyyy  Year as 2000-9999  yyyy = 2009 
%h  Hour as 0-12  %h = 1 
hh  Hour as 00-12  hh = 01 
%H  Hour as 0-23  %H = 13 
HH  Hour as 00-23  HH = 13 
%m  Minute as 1-59  %m = 9 
mm  Minute as 01-59  mm = 09 
%s  Second as 1-59  %s = 7 
ss  Second as 01-59  ss = 07 
%t  A/P  %t = P 
tt  AM/PM  tt = PM 

Standard date and time format strings

You can also use single-letter notation to display predefined date and time formats based on standard date and time format strings. The following table shows examples of such standard format strings:

Symbol  Meaning Example 
d Short date d = 6/6/2023 
M Month and day M = June 6 
y Month and year y = June 2009 
m Month and day m = June 29 
s Sortable date and time s = 2023-06-06T13:15:47 
t Short time t = 1:15 PM