What was the interval between the first and the second revelation of Holy Quran?

What was the interval between the first and the second revelation of Holy Quran?

قرآن مجید کی پہلی اور دوسرے نزول کے درمیان کتنا وقفہ تھا؟
Explanation

بعض دفع جواب میں اپشن چھ ماہ کی ہوتی ہے تو ۔ پھر چھ ماہ پر جواب کریں

The Quran was verbally revealed from God to Muhammad through the angel Gabriel beginning on 22 December 609 CE, when Muhammad was 40, and concluding in 632 CE, the year of his death.