Dr. Mustafa Khattab, the Clear Quran - 9:37

Translation for 9:37

Reallocating the sanctity of ˹these˺ months1 is an increase in disbelief, by which the disbelievers are led ˹far˺ astray. They adjust the sanctity one year and uphold it in another, only to maintain the number of months sanctified by Allah, violating the very months Allah has made sacred. Their evil deeds have been made appealing to them. And Allah does not guide the disbelieving people.

Foot notes

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 The sacred months are the 11th, 12th, 1st, and 7th of the Islamic calendar. Since the polytheists knew that it was forbidden to fight in the sacred months, they used to transfer the sanctity to other months, say for example, the 3rd, 4th, 8th, and 10th as long as they maintained the sanctity of any four months throughout the year.