Updating prompt time format

README.md

@@ -25,6 +25,11 @@ You then need to select this theme in your `~/.zshrc` :
 ZSH_THEME="oh-my-via/via"
 ```
 
+### Customization
+
+Time format defaults to `%D{%H:%M}`, but can be overwritten by setting the variable
+`OHMYVIA_TIME_FORMAT` in your `~/.zshrc`.
+
 
 License
 -------

via.zsh-theme

 # VIA ZSH Theme - Preview: ASAP
 # Fork from the historical VIA Centrale Réseaux ZSH Theme
 
-local clock="%{$fg_bold[cyan]%}%T%{$reset_color%}"
+local time_format=${OHMYVIA_TIME_FORMAT:-"%D{%H:%M}"}
+local clock="%{$fg_bold[cyan]%}$time_format%{$reset_color%}"
 
 # Check the UID
 if [[ $UID -ne 0 ]];