3 ms·

I prefer year-month-day. This extends logically into time, and plays well with regular math. Except for switching base every digit.

• vog 14y ago
  Also, this is an ISO standard (ISO 8601).
• kps 14y ago
  Switching base every digit is fun. Before Britain made their currency dull, some LEO and ICT (later ICL) computers did £sd arithmetic in hardware.