On Sun, 25 Sep 2022 14:11:46 +0100, "
Chr...@privacy.net"
<
chr...@privacy.net> wrote in <
jpb2ci...@mid.individual.net>:
ISO-8601 date format. A day may be represented as YYYY-MM-DD or as
YYYYMMDD.
2022-09-25 has the advantage that is is more obvious that it is a date
with the year first. If you stick to one or the other format dates
sorted as strings will sort into chronological order (up to the point
where time zones start to matter).