You can certainly sue. Your action would be for wrongful termination. In order to win, you would have to establish that your reason for wanting that day off is religious and that the employer knew this and fired you for that reason.
However, if you have historically been available for work on that day of the week, said that you would be available on that day when hired or if it can be proved that your reason for requesting off is non-religious, you would not be able to prevail.
You could be eligible for unemployment benefits if you are discharged for refusing work during a shift you have never worked or agreed to work for the employer.
Employees work for an employer.
No, it isn't lawful to fight on the Sabbath, let alone work then.
The Jews accused Jesus of violating the Sabbath's "no work" law.
Saturday is the Sabbath and the Jewish day of rest, no work is allowed to be done on the Sabbath.
According to the narrative in the Gospels, the Pharisees were bothered by Jesus healing (or performing work) on the Sabbath. Current Jewish Law, however, specifies that saving lives is a higher-order command than observing the Sabbath.
Briefly, part 1 means that only necessary "work" like feeding livestock or dealing with emergencies should be accomplished on the Sabbath; if it is work that can possibly be done beforehand or afterward, do that. Part 2 may be restated "Sabbath rest is to forward--or "promote"--not to hinder Sabbath worship.
It was illegal to work and engage in certain forms of recreation on the Sabbath in America's colonial period.
Employees work for an employer.
Yes.
bisque firing
Weather or not it is fair is up to you. They can make you work longer hours to compensate for hours you have missed at work, but the only punishment they can employ for treason to their rule is firing you.