When does the winter semester 2023/2024 start?

Arabia Weather - Winter is one of the four seasons of the year, and is accompanied by special weather conditions that vary from one region to another around the year. The winter season is characterized by generally lower temperatures and the days become shorter and the nights longer. Winter is accompanied by rain and snow in many regions, and weather conditions in winter can be very cold in the polar regions and high-altitude regions, while they are moderate in the tropical regions.

Winter begins when the Earth's solar inclination is on the equator, which means that the point of the sun is on the equator and away from the upper part of the southern hemisphere.

Chapters in meteorology

Meteorology divides the year into four periods, each period lasting three months. This facilitates the process of weather forecasts and obtaining the necessary seasonal and monthly statistics.

When does winter start in meteorology?

In the Northern Hemisphere, the seasons begin as follows:

• On March 1, spring begins
• On June 1, summer begins
• On September 1, the fall semester begins
• On December 1, winter begins

In the Southern Hemisphere, the seasons are reversed. Summer begins in December and winter begins in June.

When does winter start astronomically?

The beginning of the four seasons differs astronomically from their beginning in meteorology. In astronomy, the beginning and end of the season depend on the tilt of the Earth’s axis during its rotation around the sun. When half of the Earth tilts toward the sun, that is summer, but when it tilts away from the Earth, that is winter.

The beginning of winter is associated astronomically with the phenomenon of the winter solstice , which occurs in December in the Northern Hemisphere, and begins in June in the Southern Hemisphere.

The winter season of 2023/2024 begins (December 21, 2023) and ends (March 20, 2024), lasting about 89 days.

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When does winter start? Why are there two dates for the start of winter?