1 verse has
يَوْمَئِذٍۢ
in Edition Uthmani / As-Saaffaat (Those drawn up in Ranks)

33:37فَإِنَّهُمْ يَوْمَئِذٍۢ فِى ٱلْعَذَابِ مُشْتَرِكُونَ