369

Recipe: To know the day of the week of the other months of that year

Put the 369 ruler of this month to today.

• Example

If today is May 31, 2019, the Wek mark is on 'F'.

This means a June 2019 Wek mark is on 'E♭', then June 30, 2019 is Saturday, for example.

• next or previous year? noproblem

just step (a day) or leap (two days) the 369 ruler in in‐direction.