Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bukhari:2437bʿAbdān from my father > Shuʿbah > Salamah Bihadhā > Falaqītuh Baʿd Bimakkah

the above narration (Hadith 616) from Ubai bin Kaʿb: adding, "I met the sub-narrator at Mecca later on, but he did not remember whether Kaʿb had announced what he had found one year or three years."  

البخاري:٢٤٣٧bحَدَّثَنَا عَبْدَانُ قَالَ أَخْبَرَنِي أَبِي عَنْ شُعْبَةَ عَنْ سَلَمَةَ بِهَذَا قَالَ فَلَقِيتُهُ بَعْدُ بِمَكَّةَ فَقَالَ

لاَ أَدْرِي أَثَلاَثَةَ أَحْوَالٍ أَوْ حَوْلاً وَاحِدًا