Reading from the Septuagint,
Genesis chapters 7 and 8.
(A) Genesis 7: 6-10 appears to be an overview, or an introduction of the account of the Flood.
(1) Noe (Noah) was 600 years old when the flood occurred.
(2) Noah and his family went into the ark. (Gen 7:6-7).
(3) After seven days, the flood began. (Gen 7:10)
(B) The chronological details of the Flood begins from Genesis 7: 11 onwards.
(4) In the 600th year of Noe, 2nd month, 27th day (Gen 7:11) "all the fountains of the abyss were broken up, and the flood-gates of heaven were opened",
(5) "on that day" Noe and his family entered the ark (Gen 7:13)
(6) It rained 40 days and 40 nights. (Gen 7:12)
(7) The flood was upon the earth for 40 days and 40 nights (Gen7:17). This verse may refer to 40 days of flood subsequent to 40 days of rain, or it may be a reiteration of Gen. 7:12 above.
(C) The end of the Flood is chronicled in Genesis chapter 8.
(8) After 150 days, the water "was diminished", and on 600th year, 7th month, 27th day, the ark rested on the mountains of Ararat. (Gen 8:3)
Question: How do we reconcile this 150 days of flood water with the 40 days of rain (Gen 7:12) and / or 40 days of flood (Gen 7:17)?
(9) On the 600th year, 10th month, 1st day, the mountain tops were seen. (Gen 8:5)
(10) After 40 days, a raven was sent out, followed by a dove the first time (Gen 8:7).
(11) After another 7 days, the dove was sent out a second time (Gen 8:10).
(12) After yet another 7 days, the dove was sent out for the third time (Gen 8:12).
(D) The opening of the ark and the return to dry land is accounted from Genesis 8:13 onwards.
(13) On the 601st year, 1st month, 1st day, the covering of the ark was opened (Gen 8:13).
(14) Finally, on the 601st year, 2nd month, 27th day, the earth was dried (Gen 8:14).
Altogether, from the 27/2/600 year of Noe until the 27/2/601 year, Noe and his wife, and his three sons and daughters-in-law, and all the chosen animals, spent an entire year in the ark.
