Tip: how to make Thunderbird use ISO Date Format

After an upgrade, my Thnderbird started to use a weird US-date format and forgot my setting for this. I did not find any setting either. But this seems to work fine:

Create a shell script

#!/bin/bash

export LC_TIME=sv_SE.utf8
export LC_DATE=sv_SE.utf8

exec /usr/bin/thunderbird

and make sure that this gets called when thunderbird is started instead of directly /usr/bin/thunderbird.

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