It's about 600 times as long as The First movie
In other words, 0.0000400 years is 598 times the length of The First movie, and the length of The First movie is 0.0017 times that amount.(1888) (Roundhay Garden Scene, National Museum of Photography, Film, and Television restored copy)
Filmed in 1888 by Louis Aimé Augustin Le Prince, Roundhay Garden Scene is the oldest surviving motion picture with a total running time of 0.00000006690 years.
It's about 200 times as long as a Pit Stop
It's about 100 times as long as The First airplane flight (Wright Flyer, 1903)
In other words, 0.0000400 years is 110 times the length of The First airplane flight (Wright Flyer, 1903), and the length of The First airplane flight (Wright Flyer, 1903) is 0.009 times that amount.(Wright Flyer) (1903)
The first successful airplane flight was made by Orville Wright on December 17th, 1903 and lasted 0.000000380 years, covering a horizontal distance of 37 m (121.39 ft). The stopwatch used by Orville and his brother Wilbur to time this flight is on display at the Smithsonian National Air and Space Museum in Washington, D.C.
It's about twenty times as long as The San Francisco earthquake of 1906
In other words, 0.0000400 years is 24 times the length of The San Francisco earthquake of 1906, and the length of The San Francisco earthquake of 1906 is 0.042 times that amount.(1906) (Mussel Rock Fault, California) (sensible duration)
The San Francisco earthquake of 1906 caused perceptible shaking of the ground for about 0.000001660 years. The most devastating natural disaster in California's history, the quake was felt as far away and southern Oregon and western Nevada, and resulted in about 3,000 deaths, the displacement of 55% - 70% of the city's population, and the shifting of some spots of ground by up to 6 m (20 ft).
It's about one-and-four-fifths times as long as The First spacewalk
In other words, 0.0000400 years is 1.8 times the length of The First spacewalk, and the length of The First spacewalk is 0.56 times that amount.(1965) (Alexi Lenovo, a.k.a. Алексе́й Архи́пович Лео́нов)
On March 18th, 1965, during the Voskhod 2 Soviet space mission, cosmonaut Alexey Arkhipovich Leonov conducted the first human spacewalk, which lasted 0.0000230 years. The total mission length was 0.003 years.
It's about as long as Louis-Antoine's reign
(a.k.a. Louis-Antoine d'Artois, petit-fils de France, fils de France, duc d'Angoulême, a.k.a. Count of Marnes) (1830)
Following his father, Charles X's, abdication on the eve of the 1830 French Revolution, Louis-Antoine d'Artois was technically king for a period of approximately 0.0000400 years on August 2nd, 1830. Louis-Antoine's only official act as king was to abdicate the throne to his nephew, the Henri, the Duke of Bordeaux.
It's about two-fifths as long as a Basketball game
In other words, 0.0000400 years is 0.438 times the length of a Basketball game, and the length of a Basketball game is 2.28 times that amount.(NBA regulation; playing time only)
Per National Basketball Association rules , a basketball game (without an overtime) consists of four periods of 0.00002280 years each, for a total of 0.00009130 years of playing time. The first basketball game, played in a Springfield Massachusetts YMCA, was played in 0.0000570 years and ended with a score of 1-0.