Easter Sunday and most retailers are closing this year. It was a long time ago since it was simply expected that all but essential service businesses would be closed on Sunday. This meant you could get gas, groceries, prescriptions or dine out but local retailers would all be closed.  There is a message that a business sends when it is closed on Sunday as the sabbath.  A day of rest us good for the mind and body. If you follow the lead of Chick-Fil-A, a fast food chain who is always closed on Sundays one notices they are busy the rest of the week.  Hobby Lobby is known for crafts, home decor, furniture and florals but you cannot shop on Sunday.
Train your customers that you are closed on Sunday and same store sales will be brisk.

For many businesses closing on Sunday could be profitable but not in the way you traditionally expect. Consider the expenses of opening Sunday against the hours that the business is open. Sunday is typically a short day but the same costs apply for opening, closing and clean up.  How much is spent on advertising to get people in on Sunday?  How much does fuel cost your employees to work those few extra hours?  How much is heating and cooling?  Businesses that have gone to a closed Sunday policy find business actually improves.  Have you noticed the trend?  It is time to talk to other business owners and just look around your area.   Highly successful businesses are closed Sunday but you may not have noticed if you were working.  Considering the stress of opening 7 days a week many would close on Sunday just to improve employee moral, reduce employee and manager fatigue and get some down time for the business owners as well.

There is an argument about car dealers being closed on Sundays but it seems that there are cars everywhere.  The idea that you have to be open on Sunday needs a review.   This is not a discussion about laws but a discussion about the value of opening for basically half a day on Sunday when the expenses are almost as much as opening a full day.   Enjoy your day off, your employees will thank you.