According to search-discovered classical Islamic scholarship, the Quranic concept of creation 'in six days' (ستة أيام - sittati ayyāmin) refers to six vast periods or eras, not 24-hour solar days. The definitive commentary of Ibn Kathir, synthesizing the views of early Muslims, emphasizes that the length of these 'days' (yawm) is known only to Allah, reflecting a divine timescale. This understanding is crucial as it demonstrates Allah's deliberate and wise (Hikmah) approach to creation, rather than being limited by human measures of time. Al-Qurtubi adds that this gradual process teaches humanity the virtue of deliberation. Furthermore, the Quran explicitly refutes any notion of divine fatigue in verse 50:38, stating 'there touched Us no weariness,' a key theological distinction. The synthesis of these 6 verses establishes a complete narrative: a measured, purposeful creation followed by the establishment of absolute divine authority over the universe.