´It was narrated that Khuzaimah bin Thabit said:` "The Messenger of Allah set a time limit for the traveler of three days, and if the questioner had persisted in asking, he would have made it five (days)."
Hadith ReferenceSunan Ibn Majah / The Book of Purification and its Sunnah / Hadith: 553
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:ضعيف, إسناده ضعيف, سنن أبي داود (157), انوار الصحيفه، صفحه نمبر 398