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The official start date of spring varies depending on the location. In the Northern Hemisphere, it is typically March 20th or 21st, while in the Southern Hemisphere it is typically September 22nd or 23rd.
The change in seasons is caused by the tilt of the Earth's axis. As the Earth orbits around the sun, different parts of the planet receive more or less direct sunlight, leading to changes in temperature and weather patterns.
Some common signs of spring include warmer temperatures, blooming flowers, and the return of migratory birds. Other signs may include longer days, melting snow, and the emergence of insects.
Spring is a crucial time for both plant and animal life. As temperatures rise and daylight increases, plants begin to grow and bloom, while animals come out of hibernation or migrate to their breeding grounds. This is also a time for many species to reproduce and raise their young.
Some popular activities to do in the spring include outdoor sports and recreation, gardening, and attending outdoor events such as festivals and concerts. It is also a great time to go on hikes and explore nature, or simply enjoy the warmer weather and sunshine.