The story of Noah shows us that the Church is not in heaven 7 days or 7 years before the flood.
Noah is instructed to enter the ark in verse one. God tells Noah in 7 days there will be a flood upon the earth. We are told that Noah, his family and all the animals enter the ark in the self same day. That means they enter the ark on the first day of the seven days and we don't know what day the ark door is shut.
No it doesn't mean that. Read what the text per the following actually says.
Genesis 7:7 And Noah went in, and his sons, and his wife, and his sons' wives with him, into the ark, because of the waters of the flood
Genesis 7:13 In the selfsame day entered Noah, and Shem, and Ham, and Japheth, the sons of Noah, and Noah's wife, and the three wives of his sons with them, into the ark;
14 They, and every beast after his kind, and all the cattle after their kind, and every creeping thing that creepeth upon the earth after his kind, and every fowl after his kind, every bird of every sort.
15 And they went in unto Noah into the ark, two and two of all flesh, wherein is the breath of life.
16 And they that went in, went in male and female of all flesh, as God had commanded him: and the LORD shut him in.
17 And the flood was forty days upon the earth; and the waters increased, and bare up the ark, and it was lift up above the earth.
The Biblical narrative contradicts the idea that they boarded on the first day of the seven day warning and left the door open. The text explicitly ties "the selfsame day" to the exact day the floodwaters arrived, meaning they completed their entry and the Lord shut the door on that very same day.
Here is how the chronological markers in Genesis 7 break down when read sequentially.
Verse Event / Timeline Marker
Genesis 7:4 God gives a 7-day warning before the rain starts.
Genesis 7:10 The text states that after seven days, the floodwaters came.
Genesis 7:11 This exact day is identified as the 17th day of the second month.
Genesis 7:13 "In the selfsame day" (referring back to the 17th day in verse 11), Noah, his family, and the animals enter the ark.
Genesis 7:16 They finish entering, and the Lord shuts the door on that very same day.
The "Day One" Theory Fails
The term "the selfsame day" in verse 13 acts as a direct anchor to verse 11. It points strictly to the day the fountains of the deep burst open, not the day the countdown began.
Therefore, Noah did not sit in the ark for a week with an open door. The entire group boarded, and the door was sealed by God on the exact day the deluge began.
Verse 7 settles it as well. Look what it says---And Noah went in---because of the waters of the flood. There are no waters of any flood 7 days earlier.
Genesis 7:7 completely shatters the "Day One" argument because it provides the exact causal reason for their entry---they went inside "because of the waters of the flood."
To put it in logical terms--The Cause--The presence of the floodwaters. The Effect---Noah and his family enter the ark.
If they had entered the ark seven days prior to the rain, the text could not say they entered because of the floodwaters, as no such waters existed yet. They would have entered because of a prophecy or a command, but the text explicitly anchors the physical act of going inside to the physical presence of the hazard.
When you combine my point about verse 7 with verse 13 ("In the selfsame day entered Noah..."), the text locks the timeline down. The sequence is seamless.
The fountains of the deep burst open, the family flees into the ark to escape the rising waters, the last of the animals cross the threshold, and the Lord immediately seals the door.
It leaves zero room for a seven-day gap where the door is just hanging open.
And besides, Luke 17:27 settles it as well.
Luke 17:27 They did eat, they drank, they married wives, they were given in marriage, until the day that Noe entered into the ark, and the flood came, and destroyed them all.
until the day that Noe entered into the ark, and the flood came. No flood came 7 days before the flood came. That doesn't even make sense. This verse agrees with Genesis 7. Neither this verse nor Genesis 7 agrees with you though.