On the day of battle, the 53rd (Welsh) Division, moved out from Deir el Belah at 01:00 in four columns towards El Breij, followed by the artillery. At 02:30 the Anzac Mounted Division left Deir el Belah with the Imperial Mounted Division following at 03:00, heading for the Um Jerrar crossing of the Wadi Ghazze east of Deir el Belah. Dallas commanding the infantry established his battle headquarters near El Breij at 03:45, while Chetwode arrived at Desert Column headquarters at In Seirat at 06:37, although he intended to continue moving on to Sheikh Abbas. Dobell commanding Eastern Force arrived from Rafa, at his battle headquarters just north of In Seirat at 06:45.