One person may consider one day to be more sacred than another, while another may judge all days to be alike. Let everyone be convinced in his own beliefs.
In the same way, some think one day is more holy than another day, while others think every day is alike. You should each be fully convinced that whichever day you choose is acceptable.
When they had finished their prayer, the place where they were gathered together shook, and they were all filled with the Holy Spirit and proclaimed the word of God fearlessly.