Spring is one of four seasons in the subtropics, a transition from winter to summer.

In the northern hemisphere, spring begins around 21 March to 21 June, while in the southern hemisphere, spring begins around 23 September to 21 December. Spring comes after winter, where the plants bloom again, which is why spring is also called the "flower season". Spring makes daylight longer than night. Eve in the spring usually feels a bit hot because of summer. In contrast to the autumn that the air was rather cold because of winter