41:10
وَجَعَلَ فِيهَا رَوَٰسِىَ مِن فَوْقِهَا وَبَـٰرَكَ فِيهَا وَقَدَّرَ فِيهَآ أَقْوَٰتَهَا فِىٓ أَرْبَعَةِ أَيَّامٍ سَوَآءً لِّلسَّآئِلِينَ
wajaʿala fīhā rawāsiya min fawqihā wabāraka fīhā waqaddara fīhā aqwātahā fī arbaʿati ayyāmin sawāan lilssāilīna
He placed solid mountains on it, blessed it, measured out its varied provisions for all who seek them––all in four Days.
He placed therein (i.e. the earth) firm mountains from above it, and He blessed it, and measured therein its sustenance (for its dwellers) in four Days equal (i.e. all these four days were equal in the length of time) for all those who ask (about its creation).