عَنْ شَدَّادِ بْنِ أَوْسٍ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ أَنَّهُ قَالَ: ((سَيَكُونُ مِنْ بَعْدِي أَئِمَّةٌ يُمِيتُونَ الصَّلَاةَ عَنْ مَوَاقِيتِهَا، فَصَلُّوا الصَّلَاةَ لِوَقْتِهَا وَاجْعَلُوا صَلَاتَكُمْ مَعَهُمْ سُبْحَةً))
It is narrated from Sayyiduna Shaddad bin Aws (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: After me, there will be rulers who will delay the prayer from its appointed time, so you should perform the prayer at its proper time, and consider the prayer performed with them as voluntary.