In the earlier times of human existence, there were no proofs of any civilization contingent on the names of the day. However, when the development accelerated and the world led to a politically, financially, and socially systemized civilization, someone invented the day of Sunday as a free day to force people to work through the rest 6 days of a week.
Now, at the entrance of the 21st century when the human population raised to a point of disturbance, the majority of the human race developed a working habit throughout the week to spend a sophisticated day on Sunday. People around the weekdays don’t even have an hour to sit, think, or talk in relaxation. So they store their will throughout the week and try to fill it on Sunday.
However, people tend to excite by the excitement more than actually living at the moment they are excited for and the excitement stays at the peak on the day of Saturday.
When it was asked from the people about their excitement while spending the weekend, they mentioned some reasonable points that defined why Saturday dominates the other weekdays.