ثُمَّ بَعَثۡنَٰهُمۡ لِنَعۡلَمَ أَيُّ ٱلۡحِزۡبَيۡنِ أَحۡصَىٰ لِمَا لَبِثُوٓاْ أَمَدٗا
then We raised them up (from sleep) so that We might test which of the 2 parties (believers and disbelievers) was best at calculating the time period for which they had stayed
Author: Abdul Hye