Derps
Yes.
seasonal changes in the amount of daylight
The further you go away from the equator towards the poles, the greater the seasonal temperature and daylight variations.
No, we don't observe daylight saving times because we are located almost on the equator and there is hardly any seasonal variation in the times of daylight hours.
For seasonal farmers who needed to see in the morning.
The tilt of the Earth's axis.
over the ocean
Studies have shown that some people suffer from Seasonal Affective Disorder, or seasonal depression, often brought on by shortening of the daylight hours. The less light, the higher the risk of feeling depressed, which can affect your daily work ability.
venus
the taiga
Seasonal affective disorder (SAD) is a form of depression most often associated with the lack of daylight. Although seasonal affective disorder is most common when light is low, it may occur in the spring, and it is then often called reverse SAD.
The axial tilt of Jupiter is relatively small: only 3.13°. As a result this planet does not experience significant seasonal changes, and very little in the way of seasonal temperature changes