HKCU\Control Panel\International

Data type Range Default value
REG_SZ 0 | 1 For U.S. English: 0


Determines whether leading zeros are inserted before single-digit hours when time is displayed.

Value Meaning Example
0 No leading zeros before single-digit hours. 6:04 PM
1 A leading zero is inserted before a single-digit hour. 06:04 PM

Change method

To change the value of this entry, double-click Regional Options in Control Panel. Click the Time tab, and then make a selection from the Time format drop-down list box.