Julian Day

Julian Day is a continuous count of days since a starting point, typically January 1, 4713 BCE, in the Julian calendar. It's used by astronomers and historians to avoid confusion with different calendars. Each Julian Day number represents a specific day, making it easier to calculate time intervals between events. For instance, instead of saying "July 4, 2023," you might refer to it as Julian Day 2,458,127. This system helps streamline research and data management across various fields by providing a universal dating method unaffected by calendar changes.