That's done in order to avoid having any single state, country, or island
split by the date line. If it exactly followed the 180-degree meridian, then
the state of Alaska and the Pacific island nation of Kiribati, among others,
would always have two different calendar dates within the same small area.
That would certainly make for some difficult conditions for normal business
and everyday living.
No, the international date line is a line of longitude, not latitude.
International Date Line. Nominally 180 degrees east (or west) longitude. Opposite the Prime Meridian.
The international date line is measured approximately from the 180 degree median longitude line. This is an arbitrary line that determines when a date change takes place within the day.
No. Greenwich Mean Time is the timezone located along the Prime Meridian, 0º longitude. The International Date Line is on the exact opposite side of the earth at 180º, with some variance. The International Date Line is 12 hours away from Greenwich Mean Time in many areas.
Midnight, on the morning of the day after.
Whether travelling to the West or to the East from the Prime Meridian (zero Longitude) the International Date Line is 180 degrees Longitude.
No, the international date line is a line of longitude, not latitude.
is it the equator
International Date Line. Nominally 180 degrees east (or west) longitude. Opposite the Prime Meridian.
121 degrees east longitude
International Date Line
The international date line is measured approximately from the 180 degree median longitude line. This is an arbitrary line that determines when a date change takes place within the day.
No. Greenwich Mean Time is the timezone located along the Prime Meridian, 0º longitude. The International Date Line is on the exact opposite side of the earth at 180º, with some variance. The International Date Line is 12 hours away from Greenwich Mean Time in many areas.
Lines of longitude converge at the poles. The maximum longitude is 180 degrees, at the International Date Line.
Midnight, on the morning of the day after.
The international date line (or there abouts)
International Date Line