Custom datetime format a.k.a. changing the time format to German

date_time_format date_format time_format advanced_preferences german

Source(s)

• https://support.mozilla.org/en-US/kb/customize-date-time-formats-thunderbird#w_create-date-and-time-format-override-preferences-using-thunderbirds-config-editor

• open the Advanced Preferences and create a new string variable called intl.date_time.pattern_override.time_short and set it to HH:mm to display the time in 24-hour format
• to change the date format to dd.MM.yyyy create and set the string variable intl.date_time.pattern_override.date_short