51:18

وَبِالْأَسْحَارِ هُمْ يَسْتَغْفِرُونَ

Transliteration:

Wabial-ashari hum yastaghfiroona

Word by Word:

And in the hours before dawn they would ask forgiveness,

Translations:

and would pray for forgiveness from their innermost hearts;

And in the hour of early dawn, they (were found) praying for Forgiveness;

And ere the dawning of each day would seek forgiveness,

And in the morning they asked (Divine) protection.

And in the hours before dawn they would ask forgiveness,