Prayer is the greatest practical pillar of Islam after the twin declaration of faith (shahadatayn), and is of specific importance in Islamic teachings. Allah (may He be exalted) has ordained certain times at which prayer is to be offered, and whoever misses any of the prayers for a legitimate reason must make up the prayer, and not neglect it. In this hadith, Jabir ibn ‘Abdillah (may Allah be pleased with him) tells us some of what happened on the day of the battle of the Trench (al-Khandaq). This battle took place in 5 AH or, it was said, in 4 AH. The battle is so called because the Prophet (blessings and peace of Allah be upon him) ordered that a trench (khandaq) be dug around Madinah, to fortify the city against the confederates (al-ahzab) of disbelief who had gathered with the aim of eradicating the Muslims. The Muslims, both Muhajirin and Ansar, worked together to dig the trench. The polytheists had distracted the Prophet (blessings and peace of Allah be upon him) and his companions from some of the prayers, then ‘Umar ibn al-Khattab (may Allah be pleased with him) came to the Prophet (blessings and peace of Allah be upon him) after the sun had set, reviling the disbelievers of Quraysh because of the fighting. He reviled the polytheists because they were the cause of his having delayed ‘Asr prayer until the sun was about to set, which is the time when one may pray ‘Asr if one has been compelled to delay it. The Prophet (blessings and peace of Allah be upon him) said: “By Allah, I did not pray at all.” In other words: if you, O ‘Umar, prayed ‘Asr at the end of its time, before sunset, I have not prayed it until now, when the sun has actually set. Then they went to But-han, which is a valley in the south of Madinah, where they did wudu’ for prayer and prayed ‘Asr in congregation after the sun had set. Then after that they prayed Maghrib. This hadith indicates that it is prescribed to offer a missed prayer in congregation, and that the one who misses a prayer then remembers it at a later time should start with the prayer that he missed, then offer the prayer that is currently due. It indicates that it is permissible to delay an obligatory prayer even if its time ends, until the state of fear or fighting comes to an end. This hadith also highlights the virtue of ‘Umar (may Allah be pleased with him) and his keenness to uphold the obligatory duties of Islam and follow its teachings..