It was narrated from Abu Hurairah that the Messenger of Allah ﷺ said:
“From one Friday to the next is an expiation for whatever was committed in between, so long as one does not commit any major sin.”

حَدَّثَنَا مُحْرِزُ بْنُ سَلَمَةَ الْعَدَنِيُّ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ أَبِي حَازِمٍ، عَنِ الْعَلاَءِ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ " الْجُمُعَةُ إِلَى الْجُمُعَةِ كَفَّارَةُ مَا بَيْنَهُمَا مَا لَمْ تُغْشَ الْكَبَائِرُ " .