حَدَّثَنَا يَزِيدُ بْنُ خَالِدٍ الرَّمْلِيُّ، أَخْبَرَنَا الْمُفَضَّلُ، - يَعْنِي ابْنَ فَضَالَةَ - عَنْ عَيَّاشِ بْنِ عَبَّاسٍ، عَنْ بُكَيْرٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، عَنْ حَفْصَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏"‏ عَلَى كُلِّ مُحْتَلِمٍ رَوَاحُ الْجُمُعَةِ وَعَلَى كُلِّ مَنْ رَاحَ إِلَى الْجُمُعَةِ الْغُسْلُ ‏"‏ ‏.‏ قَالَ أَبُو دَاوُدَ إِذَا اغْتَسَلَ الرَّجُلُ بَعْدَ طُلُوعِ الْفَجْرِ أَجْزَأَهُ مِنْ غُسْلِ الْجُمُعَةِ وَإِنْ أَجْنَبَ ‏.‏

Narrated Hafsah, Ummul Mu'minin: The Prophet (PBUH) said: It is necessary for every adult (person) to go for (saying) Friday (prayer), and for everyone who goes for Friday (prayer) washing is necessary. Abu Dawud said: If one takes bath after sunrise, even though he washes because of seminal emission, that will be enough for him for his washing on Friday. Translation Not Available

Book Ref: Sunan Abi Dawud Book 1 Hadith 342
Web Ref:  Sunan Abi Dawud Book 1 Hadith 342