What year was the Biblical flood of Noah's ark?

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In Genesis Chapter 5 we read in verse 3, "And Adam lived a hundred and thirty years, and begat a son in his own likeness, after his image; and called his name Seth:" (Genesis 5:3). So far we have 130 years from the creation of the world.

In verse 6 we read: "And Seth lived an hundred and five years, and begat Enos" (Genesis 5:6). Now we are in the year 235 (130 for Adam and 105 for Seth).

In verse 9 we read: "And Enos lived ninety years, and begat Cainan" (Genesis 5:9). This was in the year 325 (235 years plus 90 years).

In verse 12 we read: "And Cainan lived seventy years, and begat Mahalaleel" (Genesis 5:12). This adds up to 395 since Creation (325 plus 70).

In verse 15 we read: "And Mahalaleel lived sixty five years, and begat Jared" (Genesis 5:15). Now we have 460 years since Creation.

Verse 18 talks about Jared's first born: "And Jared lived a hundred and sixty two years, and he begat Enoch" (Genesis 5:18). This makes a total of 622 years.

In verse 21, we find: "And Enoch lived sixty five years, and begat Methuselah" (Genesis 5:21). Now we have 687 years. Methuselah has his first child when he is 187 years old: "And Methuselah lived a hundred and eighty seven years, and begat Lamech" (Genesis 5:25). Now we are in the year 874 since Creation.

Lamech, Methuselah's son, has his own son when he is 182 years old: "And Lamech lived a hundred and eighty two years, and begat a son" (Genesis 5:28). This makes 1056 years.

Who was Lamech's son? "And he called his name Noah, saying, This one shall comfort us concerning our work and toil of our hands, because of the ground which the Lord had cursed" (Genesis 5:29).

Noah has his first child when he is considerably older than his predecessors: "And Noah was five hundred years old, and he begat Shem, Ham, and Japheth" (Genesis 5:32). This makes 1556 years since Creation.

So when was the flood? The Bible is very clear on this: "In the six hundredth year of Noah's life, in the second month, on the seventeenth day of the month, on that day all the fountains of the great deep burst open, and the windows of heaven were opened" (Genesis 7:11). Therefore, we add another 100 years to our previous total of 1556 years, and this makes the year of the Flood to be 1656 from Creation.

According to Jewish tradition, the Flood was in 2104 BCE (the year 1656 in the Jewish reckoning, which is counted from Creation). See also:

Evidence of the Flood

Lifespans of the ancients

Biblically, Noah's Flood took place around five thousand years ago. Science says it never happened and that fundamentally it could not happen.