What is the difference between saying "Kullu sanatin wa anta tayyib" (May you be well every year) and "Kullu 'amin wa anta bikhayr" (May you be well every 'aam), and which of them is better from the perspective of the Quran and Sunnah, taking into consideration the use of the word "'aam" in the Quran, such as in His Almighty's saying: "You will sow for seven years consecutively; then after that will come a 'aam in which the people will be given abundant rain"?

Many scholars have affirmed the permissibility of congratulating one another on Eid, due to the love and mercy it fosters among Muslims. As the author of Durr al-Mukhtar said, "The congratulation on Eid with the words 'May Allah accept from us and from you' is not to be denounced." Ibn Hajar also stated, "Congratulating on Eids, months, and years is recommended." Therefore, there is no objection to congratulating with any phrase, such as "May you be well every year" (كل سنة وأنت بخير) or "May you be good every year" (كل عام وأنت طيب), as "sanah" (سنة - year) and "’am" (عام - year) are synonymous terms.