 At 06 : 30 , when Lawrence ordered Chauvel to take command of all mounted troops ( excluding the Mobile Column ) , the New Zealand Mounted Rifles , the 5th Mounted and the 3rd Light Horse Brigades were somewhat scattered . By 08 : 30 , the New Zealand Mounted Rifles Brigade had reached Bir en Nuss ; there they found the 3rd Light Horse Brigade , which had been ordered to move first on Hamisah and then left towards Katia to cooperate in a general attack . The advance guard moved to fulfill these orders at 09 : 00 . At 10 : 30 , the general mounted advance began and by midday , was on a line from west of Bir Nagid to south of Katib Gannit ; in the centre the New Zealand Mounted Rifles Brigade were approaching the south @-@ west edge of the Katia oasis ; on their left the 1st , the 2nd Light Horse , the 5th Mounted Brigades and infantry in the 52nd ( Lowland ) Division were attacking Abu Hamra , to the north of the old caravan road , while the 3rd Light Horse Brigade was away to the New Zealander 's right , south of the old caravan road , attacking German and Ottoman units at Bir el Hamisah . 
 At 06 : 30 , when Lawrence ordered Chauvel to take command of all mounted troops ( excluding the Mobile Column ) , the New Zealand Mounted Rifles , the 5th Mounted and the 3rd Light Horse Brigades <a href='uninflect' title='1'><mark>were</mark></a> somewhat scattered . By 08 : 30 , the New Zealand Mounted Rifles Brigade <a href='been_done' title='2'><mark>had</mark></a> reached Bir en Nuss ; there they found the 3rd Light Horse Brigade , which <a href='been_done' title='3'><mark>had</mark></a> been ordered to move first on Hamisah and then left towards Katia to cooperate in a general attack . The advance guard moved to fulfill these orders at 09 : 00 . At 10 : 30 , the general mounted advance began and by midday , was on a line from west of Bir Nagid to south of Katib Gannit ; in the centre the New Zealand Mounted Rifles Brigade <a href='uninflect' title='4'><mark>were</mark></a> approaching the south @-@ west edge of the Katia oasis ; on their left the 1st , the 2nd Light Horse , the 5th Mounted Brigades and infantry in the 52nd ( Lowland ) Division <a href='uninflect' title='5'><mark>were</mark></a> attacking Abu Hamra , to the north of the old caravan road , while the 3rd Light Horse Brigade was away to the New Zealander <a href='null_genetive' title='6'><mark>'s</mark></a>right , south of the old caravan road , attacking German and Ottoman units at Bir el Hamisah . 
At 06 : 30 , when Lawrence ordered Chauvel to take command of all mounted troops ( excluding the Mobile Column ) , the New Zealand Mounted Rifles , da 5th Mounted and the 3rd Light Horse Brigades was somewhat scattered . By 08 : 30 , tdaNew Zealand Mounted Rifles Brigade done reached Bir en Nuss ; thea they found the 3rd Light Horse Brigade , which done been ordered to move first on Hamisah and then left towards Katia to cooperate in a general attack . The advance guard moved to fulfill dese orders at 09 : 00 . At 10 : 30 , the general mounted advance began and by midday , was on a line from west of Bir Nagid to south of Katib Gannit ; in the centre thdaew Zealand Mounted Rifles Brigade was approaching the south @-@ west edge of thedatia oasis ; on their left the da , the 2nd Light Horse , the 5th Mounted Brigades and infantry in the 52nd ( Lowland ) Division was attacking Abu Hamra , to the ndah of the old caravan road , while the 3rdaight Horse Brigade was away to the Newdaalander  ryte , south of the old daavan road , attacking German and Ottoman units at Bir el Hamisah .