Final answer:
The orange arrow on the map is pointing to the International Date Line, which is an arbitrary line on Earth's surface where the date changes by one day.
Step-by-step explanation:
The orange arrow on the map is pointing to the International Date Line.
The International Date Line is an arbitrary line on Earth's surface, located near longitude 180° where the date changes by one day.
It is opposite the prime meridian (0 longitude) and marks the start of each day.
The orange arrow on the map is pointing to the International Date Line, an important line of of meridianc.equatord.international date line