months' days, the determination of the lunar stations (Manazil), years, and calculations originated.

He made these rotating days seven days and seven nights, and from them derived the detailing of the months, seasons, years, calculations, and other temporal cycles that indicate the formation of all celestial and terrestrial universes. In reality, these are nothing but the result of the radiance of the light of the Sun, which is permanent in its existence, and the Veil of Darkness resulting from sins. When the Exalted veils us with the Dark Veil, that veil then hides us from the Sun and other [lights], resulting in the darkness of the Night and Occultation (Ghayba). But if He lifts that veil from us, then we behold what we behold of existence the Sun and other stars. The proof is the saying of the Exalted: {Certainly you were heedless of this, so We have removed from you your veil, and your sight today is sharp} (Qaf 22).

And the saying of the Exalted: {No! Indeed, from their Lord, that Day, they shall be veiled} (Al-Mutaffifin 15).

As for this permanent temporal duration—lasting as long as the Pre-eternal One (Glory be to Him)—it is neither night nor day, nor darkness nor light. Rather, the Exalted brought forth the night and the day from this permanent duration through the constant rising and setting of the Sun. Likewise, He brought forth numbers, months, years, and calculations by the determined crescent of the Moon, its increase,