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    %% Convert 12-Hour Time String to 24-Hour Equivalent  

%% 
% Convert the 12-hour time 05:32 p.m. to its 24-hour equivalent. 
datestr('05:32 PM','HH:MM')  

%% 
% Convert the 24-hour time 05:32 to its 12-hour equivalent. 
datestr('05:32','HH:MM PM') 

%%
% The use of |AM| or |PM| in the |formatOut| output text does not influence which
% characters actually become part of the text; they only determine
% whether or not to include the characters. MATLAB(R) selects |AM|
% or |PM| based on the time entered.