function [hour,min,sec]=ms2hms(millisecs)
%MS2HMS converts milliseconds to integer hour,minute,seconds
%  USAGE: [hour,min,sec]=ms2hms(millisecs)
%


%%% START USGS BOILERPLATE -------------% There is no published documentation for these programs- use the 
%  internal comments and help function.
% Programs written in Matlab- as early as 7.2.0.232 (R2006a) and 
% most recent modifications in  v7.8.0 (R2009a)
% Programs ran on PC with Windows XP Professional OS, and RHEL4 linux.
%
% "Although this program has been used by the USGS, no warranty, 
% expressed or implied, is made by the USGS or the United States 
% Government as to the accuracy and functioning of the program 
% and related program material nor shall the fact of distribution 
% constitute any such warranty, and no responsibility is assumed 
% by the USGS in connection therewith."
%%% END USGS BOILERPLATE --------------

 sec=round(millisecs/1000);
hour=floor(sec/3600);
min=floor(rem(sec,3600)/60);
sec=round(rem(sec,60));