Narrated `Aisha and Ibn `Abbas: The Prophet (ﷺ) remained in Mecca for ten years, during which the Qur'an used to be revealed to him; and he stayed in Medina for ten years
Book 66 · Hadith 1
صحيح البخاري
Narrated `Aisha and Ibn `Abbas: The Prophet (ﷺ) remained in Mecca for ten years, during which the Qur'an used to be revealed to him; and he stayed in Medina for ten years