From largest to smallest unit (year-month-day) works best with sorting From smallest to largest (day-month-year) also at least follows some internal logic Putting days in the middle is just a chaotic Joker-minded evil idea
Chuckled in spirit. Scowled in the execution. DD Mon YY is superior owing to its logical progression.
YYYY-MM-DD ISO-8601 forever Nothing can't beat lexical sorting and human readable separators
I tend to stick with ISO8601 whenever possible, I doubt the date success rate will go up though
I grew up listening to far too much Japanese music so I'm partial to YYYY/MM/DD