The exact events preceding the battle are obscure, with contradictory accounts in the sources, but all agree that William led his army from his castle and advanced towards the enemy. Harold had taken a defensive position at the top of Senlac Hill (present-day Battle, East Sussex), about from William's castle at Hastings. English forces at Hastings The exact number of soldiers in Harold's army is unknown. The contemporary records do not give reliable figures; some Norman sources give 400,000 to 1,200,000 men on Harold's side. The English sources generally give very low figures for Harold's army, perhaps to make the English defeat seem less devastating. Recent historians have suggested figures of between 5,000 and 13,000 for Harold's army at Hastings, and most modern historians argue for a figure of 7,000–8,000 English troops. These men would have been a mix of the fyrd and housecarls. Few individual Englishmen are known to have been at Hastings; about 20 named individuals can reasonably be assumed to have fought with Harold at Hastings, including Harold's brothers Gyrth and Leofwine and two other relatives. The English army consisted entirely of infantry. It is possible that some of the higher class members of the army rode to battle, but when battle was joined they dismounted to fight on foot. The core of the army was made up of housecarls, full-time professional soldiers. Their armour consisted of a conical helmet, a mail hauberk, and a shield, which might be either kite-shaped or round. Most housecarls fought with the two-handed Danish battleaxe, but they could also carry a sword. The rest of the army was made up of levies from the fyrd, also infantry but more lightly armoured and not professionals. Most of the infantry would have formed part of the shield wall, in which all the men in the front ranks locked their shields together. Behind them would have been axemen and men with javelins as well as archers. Battle Background and location Because many of the primary accounts contradict each other at times, it is impossible to provide a description of the battle that is beyond dispute. The only undisputed facts are that the fighting began at 9 am on Saturday 14 October 1066 and that the battle lasted until dusk. Sunset on the day of the battle was at 4:54 pm, with the battlefield mostly dark by 5:54 pm and in full darkness by 6:24