The end of each of these periods is marked by the words: “There came to be evening and there came to be morning. ”
وَعِنْدَ نِهَايَةِ كُلٍّ مِنْ هذِهِ ٱلْفَتَرَاتِ ٱلسِّتِّ يَقُولُ ٱلسِّجِلُّ :‏ « كَانَ مَسَاءٌ وَكَانَ صَبَاحٌ » .‏