# Formatar horário no Linux para 24 horas

Extraído do ChatGPT

### **1. Pelo Ambiente Gráfico (GUI):**

1. **Abra as Configurações de Data e Hora:**
    
    
    - Clique no menu no canto superior direito da tela e selecione **Configurações**.
    - Navegue até **Região e Idioma** ou **Data e Hora** (o nome exato pode variar dependendo da versão do Ubuntu).
2. **Configurar o Formato de Hora:**
    
    
    - No menu de Região e Idioma, escolha o idioma principal.
    - Certifique-se de que o formato de hora está configurado para o padrão de 24 horas. 
        - Em algumas versões, você verá uma opção como **Formato de Hora: 12 horas / 24 horas**. Escolha **24 horas**.
    - Caso contrário, ajuste o formato manualmente seguindo as próximas instruções no terminal.

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### **2. Pelo Terminal:**

#### **Ajustar o Formato de Hora no GNOME (outra interface gráfica):**

1. **Verifique o Formato Atual:**
    
    <div class="contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950"><div class="flex items-center text-token-text-secondary px-4 py-2 text-xs font-sans justify-between rounded-t-md h-9 bg-token-sidebar-surface-primary dark:bg-token-main-surface-secondary select-none">bash</div><div class="sticky top-9 md:top-[5.75rem]"><div class="absolute bottom-0 right-2 flex h-9 items-center"><div class="flex items-center rounded bg-token-sidebar-surface-primary px-2 font-sans text-xs text-token-text-secondary dark:bg-token-main-surface-secondary"><span class="" data-state="closed"><button class="flex gap-1 items-center select-none py-1"><svg class="icon-sm" fill="none" height="24" viewbox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path clip-rule="evenodd" d="M7 5C7 3.34315 8.34315 2 10 2H19C20.6569 2 22 3.34315 22 5V14C22 15.6569 20.6569 17 19 17H17V19C17 20.6569 15.6569 22 14 22H5C3.34315 22 2 20.6569 2 19V10C2 8.34315 3.34315 7 5 7H7V5ZM9 7H14C15.6569 7 17 8.34315 17 10V15H19C19.5523 15 20 14.5523 20 14V5C20 4.44772 19.5523 4 19 4H10C9.44772 4 9 4.44772 9 5V7ZM5 9C4.44772 9 4 9.44772 4 10V19C4 19.5523 4.44772 20 5 20H14C14.5523 20 15 19.5523 15 19V10C15 9.44772 14.5523 9 14 9H5Z" fill="currentColor" fill-rule="evenodd"></path></svg>Copiar código</button></span></div></div></div><div class="overflow-y-auto p-4" dir="ltr">`gsettings get org.gnome.desktop.interface clock-format`</div></div>
    - O resultado será `12h` ou `24h`.
2. **Configurar para 24 Horas:**
    
    <div class="contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950"><div class="flex items-center text-token-text-secondary px-4 py-2 text-xs font-sans justify-between rounded-t-md h-9 bg-token-sidebar-surface-primary dark:bg-token-main-surface-secondary select-none">bash</div><div class="sticky top-9 md:top-[5.75rem]"><div class="absolute bottom-0 right-2 flex h-9 items-center"><div class="flex items-center rounded bg-token-sidebar-surface-primary px-2 font-sans text-xs text-token-text-secondary dark:bg-token-main-surface-secondary"><span class="" data-state="closed"><button class="flex gap-1 items-center select-none py-1"><svg class="icon-sm" fill="none" height="24" viewbox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path clip-rule="evenodd" d="M7 5C7 3.34315 8.34315 2 10 2H19C20.6569 2 22 3.34315 22 5V14C22 15.6569 20.6569 17 19 17H17V19C17 20.6569 15.6569 22 14 22H5C3.34315 22 2 20.6569 2 19V10C2 8.34315 3.34315 7 5 7H7V5ZM9 7H14C15.6569 7 17 8.34315 17 10V15H19C19.5523 15 20 14.5523 20 14V5C20 4.44772 19.5523 4 19 4H10C9.44772 4 9 4.44772 9 5V7ZM5 9C4.44772 9 4 9.44772 4 10V19C4 19.5523 4.44772 20 5 20H14C14.5523 20 15 19.5523 15 19V10C15 9.44772 14.5523 9 14 9H5Z" fill="currentColor" fill-rule="evenodd"></path></svg>Copiar código</button></span></div></div></div><div class="overflow-y-auto p-4" dir="ltr">`gsettings <span class="hljs-built_in">set</span> org.gnome.desktop.interface clock-format <span class="hljs-string">'24h'</span>`</div></div>

---

#### **Configurar o Formato no Sistema:**

1. **Editar o Locale (Formato de Data e Hora do Sistema):**
    
    
    - Abra o arquivo de configuração do locale com seu editor favorito, por exemplo: <div class="contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950"><div class="flex items-center text-token-text-secondary px-4 py-2 text-xs font-sans justify-between rounded-t-md h-9 bg-token-sidebar-surface-primary dark:bg-token-main-surface-secondary select-none">bash</div><div class="sticky top-9 md:top-[5.75rem]"><div class="absolute bottom-0 right-2 flex h-9 items-center"><div class="flex items-center rounded bg-token-sidebar-surface-primary px-2 font-sans text-xs text-token-text-secondary dark:bg-token-main-surface-secondary"><span class="" data-state="closed"><button class="flex gap-1 items-center select-none py-1"><svg class="icon-sm" fill="none" height="24" viewbox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path clip-rule="evenodd" d="M7 5C7 3.34315 8.34315 2 10 2H19C20.6569 2 22 3.34315 22 5V14C22 15.6569 20.6569 17 19 17H17V19C17 20.6569 15.6569 22 14 22H5C3.34315 22 2 20.6569 2 19V10C2 8.34315 3.34315 7 5 7H7V5ZM9 7H14C15.6569 7 17 8.34315 17 10V15H19C19.5523 15 20 14.5523 20 14V5C20 4.44772 19.5523 4 19 4H10C9.44772 4 9 4.44772 9 5V7ZM5 9C4.44772 9 4 9.44772 4 10V19C4 19.5523 4.44772 20 5 20H14C14.5523 20 15 19.5523 15 19V10C15 9.44772 14.5523 9 14 9H5Z" fill="currentColor" fill-rule="evenodd"></path></svg>Copiar código</button></span></div></div></div><div class="overflow-y-auto p-4" dir="ltr">`sudo nano /etc/default/locale`</div></div>
    - Adicione ou edite a linha para incluir: <div class="contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950"><div class="flex items-center text-token-text-secondary px-4 py-2 text-xs font-sans justify-between rounded-t-md h-9 bg-token-sidebar-surface-primary dark:bg-token-main-surface-secondary select-none">plaintext</div><div class="sticky top-9 md:top-[5.75rem]"><div class="absolute bottom-0 right-2 flex h-9 items-center"><div class="flex items-center rounded bg-token-sidebar-surface-primary px-2 font-sans text-xs text-token-text-secondary dark:bg-token-main-surface-secondary"><span class="" data-state="closed"><button class="flex gap-1 items-center select-none py-1"><svg class="icon-sm" fill="none" height="24" viewbox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path clip-rule="evenodd" d="M7 5C7 3.34315 8.34315 2 10 2H19C20.6569 2 22 3.34315 22 5V14C22 15.6569 20.6569 17 19 17H17V19C17 20.6569 15.6569 22 14 22H5C3.34315 22 2 20.6569 2 19V10C2 8.34315 3.34315 7 5 7H7V5ZM9 7H14C15.6569 7 17 8.34315 17 10V15H19C19.5523 15 20 14.5523 20 14V5C20 4.44772 19.5523 4 19 4H10C9.44772 4 9 4.44772 9 5V7ZM5 9C4.44772 9 4 9.44772 4 10V19C4 19.5523 4.44772 20 5 20H14C14.5523 20 15 19.5523 15 19V10C15 9.44772 14.5523 9 14 9H5Z" fill="currentColor" fill-rule="evenodd"></path></svg>Copiar código</button></span></div></div></div><div class="overflow-y-auto p-4" dir="ltr">`LC_TIME="en_GB.UTF-8"`</div></div>
        - O `en_GB.UTF-8` é o padrão do Reino Unido, que usa o formato de 24 horas. Você pode usar outro locale adequado ao seu idioma, como `pt_BR.UTF-8`.
2. **Atualize as Configurações:**
    
    <div class="contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950"><div class="flex items-center text-token-text-secondary px-4 py-2 text-xs font-sans justify-between rounded-t-md h-9 bg-token-sidebar-surface-primary dark:bg-token-main-surface-secondary select-none">bash</div><div class="sticky top-9 md:top-[5.75rem]"><div class="absolute bottom-0 right-2 flex h-9 items-center"><div class="flex items-center rounded bg-token-sidebar-surface-primary px-2 font-sans text-xs text-token-text-secondary dark:bg-token-main-surface-secondary"><span class="" data-state="closed"><button class="flex gap-1 items-center select-none py-1"><svg class="icon-sm" fill="none" height="24" viewbox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path clip-rule="evenodd" d="M7 5C7 3.34315 8.34315 2 10 2H19C20.6569 2 22 3.34315 22 5V14C22 15.6569 20.6569 17 19 17H17V19C17 20.6569 15.6569 22 14 22H5C3.34315 22 2 20.6569 2 19V10C2 8.34315 3.34315 7 5 7H7V5ZM9 7H14C15.6569 7 17 8.34315 17 10V15H19C19.5523 15 20 14.5523 20 14V5C20 4.44772 19.5523 4 19 4H10C9.44772 4 9 4.44772 9 5V7ZM5 9C4.44772 9 4 9.44772 4 10V19C4 19.5523 4.44772 20 5 20H14C14.5523 20 15 19.5523 15 19V10C15 9.44772 14.5523 9 14 9H5Z" fill="currentColor" fill-rule="evenodd"></path></svg>Copiar código</button></span></div></div></div><div class="overflow-y-auto p-4" dir="ltr">`sudo locale-gensudo update-locale`</div></div>
3. **Reinicie o sistema ou a interface gráfica** para aplicar as mudanças:
    
    <div class="contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950"><div class="flex items-center text-token-text-secondary px-4 py-2 text-xs font-sans justify-between rounded-t-md h-9 bg-token-sidebar-surface-primary dark:bg-token-main-surface-secondary select-none">bash</div><div class="sticky top-9 md:top-[5.75rem]"><div class="absolute bottom-0 right-2 flex h-9 items-center"><div class="flex items-center rounded bg-token-sidebar-surface-primary px-2 font-sans text-xs text-token-text-secondary dark:bg-token-main-surface-secondary"><span class="" data-state="closed"><button class="flex gap-1 items-center select-none py-1"><svg class="icon-sm" fill="none" height="24" viewbox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path clip-rule="evenodd" d="M7 5C7 3.34315 8.34315 2 10 2H19C20.6569 2 22 3.34315 22 5V14C22 15.6569 20.6569 17 19 17H17V19C17 20.6569 15.6569 22 14 22H5C3.34315 22 2 20.6569 2 19V10C2 8.34315 3.34315 7 5 7H7V5ZM9 7H14C15.6569 7 17 8.34315 17 10V15H19C19.5523 15 20 14.5523 20 14V5C20 4.44772 19.5523 4 19 4H10C9.44772 4 9 4.44772 9 5V7ZM5 9C4.44772 9 4 9.44772 4 10V19C4 19.5523 4.44772 20 5 20H14C14.5523 20 15 19.5523 15 19V10C15 9.44772 14.5523 9 14 9H5Z" fill="currentColor" fill-rule="evenodd"></path></svg>Copiar código</button></span></div></div></div><div class="overflow-y-auto p-4" dir="ltr">`sudo systemctl restart gdm3`</div></div>

**Para não precisar reiniciar o sistema pode ser utilizado o comando:**

source /root/.bashrc para carregar as novas configurações.