Thunderbird Time Display
A long time nuisance with the Thunderbird email client is that the time display on the calendar is shown in a 24-hour time format. This article shows how to change that. For example: 3:20PM shows on the calendar as 15:20. Converting all the times on the calendar in my head gets a little old. Note in the following screenshot that the dates after noon are all in 24 hour time (e.g. 15:00 is the same as 3:00PM). ...