Among the most arresting descriptions of the end of time is the hadith recorded in Sahih Muslim:
The Prophet ﷺ said Dajjal will remain on Earth for forty days:
- One day like a year
- One day like a month
- One day like a week
- The rest like normal days

The companions, practical and grounded, immediately asked:
“How will we perform our prayers during a day like a year?”
The Prophet ﷺ replied:
“Estimate its time.”
That answer is not merely jurisprudential.
It is civilizational.
It is cosmological.
It is theological.
It tells us something profound about the end of time.
When Cosmic Order Becomes Unstable
For all of human history, we have lived under stable celestial mechanics.
- The sun rises.
- The sun sets.
- The seasons cycle.
- The Earth rotates every 24 hours.
Science explains this through rotation, gravity, angular momentum.
But the Qur’an reminds us:
“The sun and the moon move by precise calculation.”
What we call physics is simply the observable consistency of divine command.
The hadith of Dajjal suggests something extraordinary:
There will come a moment when that observable consistency is disrupted.
Time itself will stretch.
And when time stretches, civilization trembles.
The Physics Perspective: A Controlled Impossibility
If we examine this purely through astrophysics:
For a day to equal a year, Earth must rotate once per orbit.
This condition resembles tidal locking, a phenomenon observed elsewhere:
- The Moon is locked to Earth.
- Mercury is in a spin-orbit resonance with the Sun.
So the state itself is physically possible.
But the problem is not possibility.
The problem is mechanism.
To slow Earth’s rotation from 24 hours to 365 days requires removing an immense amount of angular momentum.
Any rapid attempt would cause:
- Mega-tsunamis
- Crustal rupture
- Atmospheric shockwaves
- Climate collapse
Gradual tidal slowing takes billions of years.
Sudden slowdown without planetary devastation?
Physics has no stable model for that.
And yet the hadith presents it within the timeframe of human experience.
This is where theology begins.
Classical Theology: Natural Law Is Not Autonomous
Scholars such as Imam al-Nawawi and Ibn Kathir never attempted astrophysical explanations.
They understood a foundational principle:
The laws of nature are not independent forces.
They are habitual patterns (ʿādah) sustained by Allah.
Consistency is a mercy.
Regularity is a blessing.
Predictability is stability.
But habit is not necessity.
Allah is not bound by the patterns He creates.
When extraordinary events occur (khāriq lil-ʿādah), they do not violate divine law, they reveal divine sovereignty.
A Precedent in Sacred History
In Sahih al-Bukhari, there is narration that the sun was held back for Prophet Yushaʿ (Joshua) so he could complete his mission.
The celestial order paused.
Not gradually.
Not mechanically.
But by divine command.
The sun did not resist.
The universe did not collapse.
Reality obeyed its Sustainer.
This establishes a theological precedent:
If the sun can be held back,
Time can be extended.
The Spiritual Earthquake Before the Physical One
Notice something profound in the Dajjal hadith.
The companions were not concerned about orbital mechanics.
They were concerned about salah.
This reveals the real test.
When time destabilizes,
Will your worship stabilize you?
The Prophet ﷺ did not remove obligation.
He did not suspend accountability.
He said: “Estimate.”
In other words:
Even when cosmic order shakes,
Moral order stands.
Eschatology Is Not About Curiosity, It Is About Readiness
Many today approach the signs of the Hour as speculative astronomy.
But the purpose of eschatology is not to predict planetary physics.
It is to prepare spiritual resilience.
Dajjal represents:
- The ultimate deception
- The collapse of certainty
- The distortion of reality
When even the sun behaves abnormally,
Truth will be harder to recognize.
And yet believers are instructed:
Organise your prayer.
Maintain discipline.
Structure your obedience.
Time may distort.
Faith must not.
Civilization and Time
Civilization is built on measured time.
- Markets open and close.
- Crops follow seasons.
- Clocks regulate life.
If one day becomes a year, civilisation collapses.
This teaches us something deeper:
Our stability is fragile.
We assume permanence because we observe repetition.
But repetition is not self-sustaining.
It is sustained.
Science and Sovereignty
Modern astrophysics describes how planets move.
But it does not own the universe.
Science describes regularity.
It does not limit omnipotence.
If a day becomes like a year during the time of Dajjal, it will not be because of:
- Asteroid belt disturbances
- Rogue planetary encounters
- Orbital resonance anomalies
It will be because the One who set the rotation in motion commands it otherwise.
The Ultimate Reflection
The greater miracle in the hadith is not the long day.
It is the instruction to continue praying.
When the universe destabilises,
the believer measures time by obedience.
When the sky no longer guides you,
Revelation does.
When physics appears to bend,
Faith must not.
Final Thought
We often ask:
“How could the Earth slow?”
Perhaps the better question is:
“If it does, will we remain steady?”
Because the final trials are not meant to test astrophysics.
They are meant to test hearts.
And when the sun stretches across the sky for a year,
The true sign will not be in the heavens,
It will be in who still stands for prayer.

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