The term season marked by particular weather patterns and daylight hours, resulting from the earth's changing position with regard to the sun. Seasons are resultant of the position of Earth when orbiting around the Sun and Earth's axial tilt relative to the ecliptic plane.
Everyone is familiar to this season because it is listed on our calendars. It is called astronomical because the occurrences of the season are listed on the basis of the position of the Earth in relation to the Sun. There are four types of the astronomical season experienced on the Earth which is given below:
1. Winter: The Earth's axis is tilted 23.5 degrees from the plane of its orbit around the sun. During revolution to the Sun, the Earth goes farthest away from the sun. As a result, the southern latitudes got the maximum impact of the sunlight. It begins on December 21-22.
2. Spring: As we know that Earth is tilted and during revolution to the Sun, our planet lean away from the sun to one equidistant from the sun, and of the sun's light aiming directly at the equator. It begins on March 21-22.
3. Summer: The sunlight directly aiming at north latitudes because the titled part of the Earth goes farthest towards the sun. It begins on the June 20-21.
4. Fall: The Earth's tilted part lean towards the sun and the sunlight aiming directly to the equator. It begins on September 21-22.
The occurrences of the season are listed on the basis of the variation in temperatures. According to the Meteorological Seasons, there are four types of season which is grouped into three months period of the calendar are discussed below:
1. Winter: It starts from the first week of December and ended in the last week of February.
2. Spring: It starts from the first week March and ended in the last week of May.
3. Summer: It starts from the first week of June and ended in the last week of August.
4. Fall: it starts from the first week of the September and ended in the last week of November.
Hence, we can say that the astronomical seasons are a traditional way of defining seasons, whereas meteorological seasons are based on the temperature variation. In reality, seasonal variation can only experience by the variation in temperature, which is also based on the position of the Earth, but other climatic phenomenon is also responsible for the seasonal as well as temperature variation. For Example: the tilted part of the Earth comes closer to the poles will bring hot summer just like at the equator.