How do I change the time format from 24-hour format to 12-hour format, so that, for instance, the time shows as 1:00 pm instead of 13:00?
How do I change the time format from 24-hour format to 12-hour format, so that, for instance, the time shows as 1:00 pm instead of 13:00 in the Calendar for Thunderbird?
How do I change the time format from 24-hour format to 12-hour format, so that, for instance, the time shows as 1:00 pm instead of 13:00 in the Calendar for Thunderbird?