<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.ramadhani hutangulia kwa siku kumi au kumi na moja kila mwaka kwa kuwa kalenda ya hijri inategemea mwandamo wa mwezi.  <response>: the month of ramadan is known to move back approximately 10 or 11 days every year, according to the lunar calendar. 