[dmitriid]

It can be done as

   1 year 7 days (2020-06-03)

or

   2020-06-03 (1 year 7 days)

If/when you do absolute days, don’t use US format :) (I don’t know hiw it is right now, can’t hiver on mobile)

[dx034]

Or write out months to make clear which format it is (03 June 2020). That way it's clear for everyone which format was used

[captn3m0]

It is YYYY-MM-DD

[dmitriid]

The best and the only true format :)