SOHUR (anag. HOURS) has been suggested for 9A.
Can't find that anywhere but Wikipedia has SUHUR or alt. SUHOOR (meal before sunrise) which rather suggests SUHOR (anag. HOURS) but can't find that anywhere either. Ya pays ya money ???
Many thanks Malone. My Chambers which does not seem to have an edition number but is copyrighted 1993 is probably out of date.
It pays to keep abreast of the times if you hanker after one of those esteemed T-shirts!