I have tried several date formats; the only thing for certain is that the USA-variability of month/day/year, day/month/year, etc is a really annoying. Today I discovered Julian dates: forget about the month altogether! https://en.wikipedia.org/wiki/Calendar_date#Day_and_year_only This makes great sense, especially for calculating when my packages are set to arrive! Now if only I could figure out my birthday in it… date "+%Y%j" 2020185