44:10 fartaqib yawma ta'tiys samaau bi dukhaanim mubiyn

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Ahmed Raza Khan: Mohammed Aqib Qadri:
So you await the day when the sky will bring forth a visible smoke. -

Yusuf Ali:
Then watch thou for the Day that the sky will bring forth a kind of smoke (or mist) plainly visible,

Pickthal:
But watch thou (O Muhammad) for the day when the sky will produce visible smoke