Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:78:18

The Day the Horn is blown and you will come forth in multitudes  

the day the Trumpet, the Horn, is blown (yawma yunfakhu fī’l-sūri is either a substitution for, or an explication of, yawma’l-fasli, ‘the Day of Decision’, the blower being Isrāfīl) and you come, forth from your graves to the site ˹of the Resurrection˺, in droves, in diverse groups,
القرآن:٧٨:١٨

يَوْمَ يُنْفَخُ فِي الصُّورِ فَتَأْتُونَ أَفْوَاجًا  

{يوم ينفخ في الصور} القرن بدل من يوم الفصل أو بيان له والنافخ إسرافيل {فتأتون} من قبوركم إلى الموقف {أفواجا} جماعات مختلفة.