Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:84:16 –

So I swear by the twilight glow  

So I swear (fa-lā: lā is extra) by the twilight (al-shafaq), the reddishness visible in the horizon after the sunset,
القرآن:٨٤:١٦ –

فَلَا أُقْسِمُ بِالشَّفَقِ  

{فلا أقسم} لا زائدة {بالشفق} هو الحمرة في الأفق بعد غروب الشمس.

See similar narrations below:

Collected by Qurʾān
quran:90:1 – In the name of Allah, the Entirely Merciful, the Especially Merciful.

I swear by this city, Makkah -  

I swear (lā is extra) by this land, of Mecca,
القرآن:٩٠:١ – بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ

لَا أُقْسِمُ بِهَٰذَا الْبَلَدِ  

{لا} زائدة {أقسم بهذا البلد} مكة.