4

In The Day of Wisdom of 1917, Balliett works through someone with a 1 month, a 4 day and a 3 year, whose whole date comes to 8. She treats that final 8 as the person's true force and the 4 of the day as its material side. Her general rule is that the day shows a person's activities, while the digit of the entire date shows what they can reach.

The earlier writers agree that 4 is a hands-on figure and then vary in tone. Balliett in 1905 made its people the builders who carry out the plans drawn by No. 1. Walton called it heavy and hard to turn from its course, Cheasley wrote of practicality and endurance, and Sepharial's list reads solidity, strength, power.