Par

How to find the day of the week for any date

Add zero days to a date and gDATECHS tells you its weekday.

Problem

What day of the week was July 4, 1976?

Keystrokes

  1. 7.041976ENTER
    7.04

    The date.

  2. 0gDATECHS
    7,04,1976 7

    Zero days later: the same date, with its weekday.

Answer

July 4, 1976 was a Sunday.

Reading the answer

The digit at the right is the weekday, from 1 for Monday to 7 for Sunday.

Related