The History of Daylight Saving Time

A look into the history, myth, and origin of Daylight Saving Time.

The Southern Swing Shift Pattern

A detailed look at the Southern Swing Shift Pattern

The Pitman Shift Pattern

A detailed look at the Pitman Shift Pattern.

The Kelly Shift Pattern

A detailed look at the Kelly Shift Pattern.

The Dupont Shift Pattern

A detailed look at the Dupont Shift Pattern.