No, this is the kind of fasting I want: Free those who are wrongly imprisoned; lighten the burden of those who work for you. Let the oppressed go free, and remove the chains that bind people.
Keep the Sabbath day holy. Don’t pursue your own interests on that day, but enjoy the Sabbath and speak of it with delight as the Lord’s holy day. Honor the Sabbath in everything you do on that day, and don’t follow your own desires or talk idly. Then the Lord will be your delight. I will give you great honor and satisfy you with the inheritance I promised to your ancestor Jacob. I, the Lord, have spoken!
Don’t you realize that your body is the temple of the Holy Spirit, who lives in you and was given to you by God? You do not belong to yourself, for God bought you with a high price. So you must honor God with your body.