Whether you lose or gain an hour for Daylight Savings Time.
Things you will need:
Time is relative. It is determined by the relativistic physics of time and space. By the unknown variables and constants that make up our universal equation. In the equation of time space, we are the variables.
In March, we lose an hour.
In November, we gain an hour.
Tips & Warnings
To make it easy remember these catchphrases: Spring forward, Fall back!