In one of the verses of Quran, it is written God created the earth and the Heavens in six days. How long it took Him to create the earth, and how long the heavens?
How would six days is compatible with scientific findings? Big bang, and evolution?
We don't know exactly but there's some indications in the Quran :
22.47 Yet they ask thee to hasten on the Punishment! But Allah will not fail in His promise. Verily
a Day in the sight of thy Lord is like a thousand years of your reckoning.
32.5 He rules (all) affairs from the heavens to the earth: in the end will (all affairs) go up to Him, on
a Day the space whereof will be (as) a thousand years of your reckoning.
70.4
The angels and the Spirit ascend unto Him in
a Day the measure whereof is (as) fifty thousand years
(according to Ibn Abbas it's during the Hour)
A day 1,000 / 50,000 years :
https://islamqa.info/en/answers/2272/is-a-day-with-allaah-one-thousand-years-or-fifty-thousand-years
Also the perception for humans is different the day of resurrection/in the tomb :
30.55 On
the Day that the Hour (of reckoning) will be established,
the transgressors will swear that
they tarried not but an hour: thus were they used to being deluded!
10.45
One day He will gather them together: (it will be)
as if they had tarried but an hour of a day: they will recognise each other: assuredly those will be lost who denied the meeting with Allah and refused to receive true guidance.
20.104 We know best what they will say, when
their leader most eminent in Conduct will say: "
Ye tarried not longer than a day!"
23.112 He will say: "
What number of years did ye stay on earth?"
23.113 They will say: "
We stayed a day or part of a day: but ask those who keep account."
23.114 He will say: "Ye stayed not but a little― if ye had only known!
We have different mesures here : The day in the sight of God, the day of the resurrection, a day in the tomb, a day for the Angels/Holy Spirit to God, the perception of a day for a believer and a non believer
The Hour will last 50,000 years but it will be easier for the believer and his perception will be different again.
“
That day will be 50 000 years long, after which a person will be admitted into Paradise or cast into Hell.” (
Abu Dawood)
" The Prophet, peace and blessings be upon him, said, “
The Day of Resurrection for the believers will be like the length of time between noon and afternoon prayers.” (Abu Huraira)