Time/DateAn internal DOS/Windows command that sets the system time and date and updates the internal battery-powered clock.
time display time time 14:30 set to 2:30pm date display date date 10-11-12 set to Oct. 11, 2012
TO UPDATE A FILE'S TIME AND DATE
A file's time and date can be made current with the Copy command. For example, to update XYZ.BAT, type the command as follows with the plus sign.
copy xyz.bat +