Purpose: Use the Date/Time option to choose a formatting style for the date and time strings displayed throughout the Console. You can also customize the details of any style you pick.
Where: Edit > Preferences > Date & Time
Click the Formats buttons and choose a date/time style from the lists for Date & Time Format and Short Date & Time Format options.
Click Apply to put your changes into effect and leave the Preferences dialog box open, or OK to save your changes and close the dialog box.
If you want, you can customize the selected format string. Edit the Format string using the Java-style date options described in the Format Help window.