They ask you regarding the new moons, say, "They are a timing mechanism for the people as well as for the Pilgrimage." Piety is not that you would enter a home from its back, but piety is whoever is aware and comes to the homes through their main doors. Be conscientious of God that you may succeed.
Translation endnotes
[2:189] "Do not enter homes from behind" is an idiom. Criticizing the opponent with ambiguous allegations and questions is not an efficient way of communicating; it causes animosity and misunderstanding.