9:37
إِنَّمَا ٱلنَّسِىٓءُ زِيَادَةٌ فِى ٱلْكُفْرِ ۖ يُضَلُّ بِهِ ٱلَّذِينَ كَفَرُوا۟ يُحِلُّونَهُۥ عَامًا وَيُحَرِّمُونَهُۥ عَامًا لِّيُوَاطِـُٔوا۟ عِدَّةَ مَا حَرَّمَ ٱللَّهُ فَيُحِلُّوا۟ مَا حَرَّمَ ٱللَّهُ ۚ زُيِّنَ لَهُمْ سُوٓءُ أَعْمَـٰلِهِمْ ۗ وَٱللَّهُ لَا يَهْدِى ٱلْقَوْمَ ٱلْكَـٰفِرِينَ
9:37
To disregard the observation of the sacred months and to observe it during the non-sacred months is to add more to one's disbelief. This causes the unbelievers to go further astray. One year they (the pagans) consider a sacred month not sacred, (and observe it during a non-sacred month) but the next year they consider it sacred at the right time. By dealing with the sacred months in such a manner, they think that they have observed the laws of God, but, in fact, they have changed them. Their evil deeds seem attractive to them but God does not guide the unbelieving people. - Muhammad Sarwar (English)