Why is the international dateline important?

Answer 1

The international date line is important because it is where a day starts for the first time.

Answer 2

The international dateline serves as a reference point for determining the start and end of each calendar day and helps in keeping global time consistent across different regions. It is essential for international travel, communication, and coordination across different time zones. Furthermore, it helps in maintaining legal, commercial, and administrative agreements based on the common understanding of time.