The word(s) "اختلاف" appears in 7 verse(s) in Quran.

(1) إِنَّ فِي خَلْقِ السَّمَاوَاتِ وَالْأَرْضِ وَاخْتِلَافِ اللَّيْلِ وَالنَّهَارِ وَالْفُلْكِ الَّتِي تَجْرِي فِي الْبَحْرِ بِمَا يَنفَعُ النَّاسَ وَمَا أَنزَلَ اللَّهُ مِنَ السَّمَاءِ مِن مَّاءٍ فَأَحْيَا بِهِ الْأَرْضَ بَعْدَ مَوْتِهَا وَبَثَّ فِيهَا مِن كُلِّ دَابَّةٍ وَتَصْرِيفِ الرِّيَاحِ وَالسَّحَابِ الْمُسَخَّرِ بَيْنَ السَّمَاءِ وَالْأَرْضِ لَآيَاتٍ لِّقَوْمٍ يَعْقِلُونَ

(سورة البقرة, Al-Baqara, Chapter #2, Verse #164)
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(2) إِنَّ فِي خَلْقِ السَّمَاوَاتِ وَالْأَرْضِ وَاخْتِلَافِ اللَّيْلِ وَالنَّهَارِ لَآيَاتٍ لِّأُولِي الْأَلْبَابِ

(سورة آل عمران, Aal-i-Imraan, Chapter #3, Verse #190)
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(3) أَفَلَا يَتَدَبَّرُونَ الْقُرْآنَ ۚ وَلَوْ كَانَ مِنْ عِندِ غَيْرِ اللَّهِ لَوَجَدُوا فِيهِ اخْتِلَافًا كَثِيرًا

(سورة النساء, An-Nisaa, Chapter #4, Verse #82)
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(4) إِنَّ فِي اخْتِلَافِ اللَّيْلِ وَالنَّهَارِ وَمَا خَلَقَ اللَّهُ فِي السَّمَاوَاتِ وَالْأَرْضِ لَآيَاتٍ لِّقَوْمٍ يَتَّقُونَ

(سورة يونس, Yunus, Chapter #10, Verse #6)
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(5) وَهُوَ الَّذِي يُحْيِي وَيُمِيتُ وَلَهُ اخْتِلَافُ اللَّيْلِ وَالنَّهَارِ ۚ أَفَلَا تَعْقِلُونَ

(سورة المؤمنون, Al-Muminoon, Chapter #23, Verse #80)
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(6) وَمِنْ آيَاتِهِ خَلْقُ السَّمَاوَاتِ وَالْأَرْضِ وَاخْتِلَافُ أَلْسِنَتِكُمْ وَأَلْوَانِكُمْ ۚ إِنَّ فِي ذَ‌ٰلِكَ لَآيَاتٍ لِّلْعَالِمِينَ

(سورة الروم, Ar-Room, Chapter #30, Verse #22)
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(7) وَاخْتِلَافِ اللَّيْلِ وَالنَّهَارِ وَمَا أَنزَلَ اللَّهُ مِنَ السَّمَاءِ مِن رِّزْقٍ فَأَحْيَا بِهِ الْأَرْضَ بَعْدَ مَوْتِهَا وَتَصْرِيفِ الرِّيَاحِ آيَاتٌ لِّقَوْمٍ يَعْقِلُونَ

(سورة الجاثية, Al-Jaathiya, Chapter #45, Verse #5)
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