There is no "why", because they're not.
There are four hemispheres on Earth: Northern, Southern, Eastern, and Western. Hemispheres are divided by the equator (Northern and Southern) and the Prime Meridian (Eastern and Western), and each hemisphere experiences different seasons based on its position relative to the sun.
-- Eastern and western hemispheres have the same seasons at the same time.-- Northern and southern hemispheres have the same seasons six months apart.
Southern, eastern and western.
There are two hemispheres on Earth: the Northern Hemisphere and the Southern Hemisphere, divided by the equator. Each hemisphere experiences different seasons based on the tilt of the Earth's axis in relation to the Sun.
Europe, North America, and Antarctica are each in both the eastern and western hemispheres.
Southern and eastern.
In the eastern AND western hemispheres - that is both halves of the Earth, ALL the continents are found.
No because the two hemispheres are at different sides of the Earth. At one time the Eastern hemisphere has the sunlight directed directly at it. That's Summer and that's Winter for the Western hemisphere. Vice Versa
The Western, Eastern and Northern hemispheres the three hemispheres that Europe is located in.
southern and eastern
Southern and eastern.
The prime meridian separates the Eastern Hemisphere from the Western Hemisphere.