Not sure I get what is better about this than simply using the month, like Documents/work/202606 (which also sorts nicely and does not need a conversion in my head to know what time of the year that must be)

Yup as far as the folder taxonomy thing ISO YYYYMM works fine too

Alphadec is just a timezone free UTC encoding that works down the millisecond so I also use it for snapshots eg

  myscript.py.backup.2026_P5G6_328054_Aug06.txt