As nouns the difference between hawm and sawm
is that hawm
is (straw) while sawm
is (islam) fasting, abstention, abstinence; the third of the five pillars of islam (during the month of ramadan, muslims abstain from food, drink, gambling, and all sensuous pleasures from sunrise to sunset sawm
is regulated by islamic jurisprudence contrary to popular non-islamic belief, its observance by muslims is not confined to the islamic holy month of ramadan).
As a verb hawm
is (uk|dialect) to lounge; to loiter.
Other Comparisons: What's the difference?
(UK, dialect) To lounge; to loiter.
(Islam) fasting, abstention, abstinence; the third of the five pillars of Islam (during the month of Ramadan, Muslims abstain from food, drink, gambling, and all sensuous pleasures from sunrise to sunset. Sawm is regulated by Islamic jurisprudence. Contrary to popular non-Islamic belief, its observance by Muslims is not confined to the Islamic holy month of Ramadan.)
* Yom Kippur
Fasting in the Quraan
Comprehensive Article and Book Collection on fasting and Ramadhan
Esoteric view on sawm - fasting in Ramadan