Archbishop James Ussher writes in The Annals of the World:
1656 Anno Mundi (years since the creation of the world) in autumn.
2365 Julian Period (year, starting from January 1, 4713 BC)
2349 BC (Years before the Christian Era)
On the tenth day of the second month of this year (Sunday, November 30), God commanded Noah that in that week he should prepare to enter the ark. Meanwhile the world, totally devoid of all fear, sat eating and drinking and marrying and giving in marriage (Gen 7:1, 4, 10; Matt 24:38).
In the 600th year of the life of Noah, on the seventeenth day of the second month (Sunday, December 7th), he, together with his children and living creatures of all kinds, had entered into the ark. God sent a rain on the earth for forty days and forty nights. The waters flooded the earth for a hundred and fifty days (Gen 7:4, 6, 11-13, 17, 24).
The waters abated until the seventeenth day of the seventh month (Wednesday, May 6), when the ark came to rest upon one of the mountains of Ararat (Gen 8:3,7).
The waters continued receding until, on the first day of the tenth month (Sunday, July 19), the tops of the mountains were seen (Gen 8:5).
After 40 days, that is, on the eleventh day of the eleventh month (Friday, August 28), Noah opened the window of the ark and sent forth a raven (Gen 8:6, 7).
Seven days later, on the eighteenth day of the eleventh month (Friday, September 4), as may be deduced from the other seven days mentioned (Gen 8:10), Noah sent out a dove. She returned after seven days, on the twenty-fifth day of the eleventh month (Friday, September 11). He sent her out again and towards the evening she returned, bringing the leaf of an olive tree in her beak. After waiting seven more days, on the second day of the twelfth month (Friday, September 18), he sent the same dove out again, but this time she never returned. Gen 8:8-12.