day-of-week

[ARG15]

Thunderbird's handling of the day of the week is basically nonexistent. There is no way to have the date column display the day of the week along with the date, or have it as a separate column. The only format preset that will show day-of-week substitutes it for the actual date, which is worse than useless. And not just the column, you can't get Thunderbird to show day-of-week ANYWHERE. This info should be front and center at all times by default.

I spent a while poking at this, because I just couldn't believe this issue even exists after over 20 years of development. This should be made the #1 issue for the next update.

[Jon]

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[TBeeCT]

I did find this online (see below) - and it almost works. Except for in Step 6, I don't know the custom format string Thunderbird uses.  I tried ddd and dddd and each just results in showing the day of the month.  If anyone knows the script used for this in Thunderbird, we might have something!

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If you only want to change the date format for Thunderbird, you can use its advanced Config Editor.

1. Open Thunderbird and click the Application Menu button (≡) at the top right.
2. Go to Settings, then scroll down to the General section and click the Config Editor button at the bottom.
3. A warning will appear. Click Accept the Risk and Continue.
4. In the search bar, type intl.date_time.pattern_override.date_short.
5. If this preference does not exist, select the "String" option and click the + button to create it.
6. Enter a custom format string in the value field, such as dddd, M/d/yyyy for the full day of the week, or ddd, M/d/yyyy for a three-letter abbreviation.
   • dddd: Displays the full name of the day of the week.
   • ddd: Displays the abbreviated name of the day of the week.
7. Click the blue checkmark button to save your changes and close the Config Editor.
8. Restart Thunderbird to see the changes applied to your message list.