Whether the clock displays in 24h or 12h format¶
Whether the clock displays in 24h or 12h format
- Type: dconf 
- Key: /org/gnome/desktop/interface/clock-format 
- Default: ‘24h’ 
Note: default system value is used for “Not Configured” and enforced if “Disabled”.
Supported on Ubuntu 20.04, 22.04, 24.04, 24.10, 25.04.
Valid values
- 24h 
- 12h 
Metadata
| Element | Value | 
|---|---|
| Location | Computer Policies -> Ubuntu -> Login Screen -> Interface -> Whether the clock displays in 24h or 12h format | 
| Registry Key | Software\Policies\Ubuntu\gdm\dconf\org\gnome\desktop\interface\clock-format | 
| Element type | dropdownList | 
| Class: | Machine | 
