Allāh favors one season over others and Dhul Hijjah is one of these seasons where righteous deeds are more beloved to Allāh than any other days.

Prophet ﷺ said in an authentic hadīth

أفضل أيام الدنيا أيام العشر

The best days in this life are the (first) ten days of Dhu’l-Hijjah – al-Bazzar (Sahih)

Virtues of Dhul-Hijjah

Furthermore, Allāh swore by them in His Book, and when Allāh swears by something, it is a reflection of its great importance. Allāh Glory be to Him says:

َوالَْفجر – َولَيَال َعشر

By the dawn. And by the nights of the ten days – Surah al-Fajr

These are the first ten days of Dhu’l-Hijjah and they include the day of ‘Arafah, about which the Prophet ﷺ said:

ما من يوم أَ ْكثر من أَ ْن يعتق ا هللَّ فيه عبدا من النهار من يوم عرفَةَ

There is no day in which Allāh Frees more of His slaves from The Fire than the day of ‘Arafah. – Muslim 1

These ten days are concluded by the day of An-Nahr (sacrifice); then follows the day of Al-Qarr. The Prophet ﷺ said

إِنَّ أَعْظَمَ الأَيَّامِ عِنْدَ اللَّهِ تَبَارَكَ وَتَعَالَى يَوْمُ النَّحْرِ ثُمَّ يَوْمُ الْقَرِّ

The greatest day in Allāh’s sight is the day of sacrifice and next the day of resting – Abu Dawood (Sahih) 2

The day of al-Nahr is the major day of Hajj and the day of ʿEid; while the day of al-Qarr is the following day, it is called as such because of this day the Hujjaj settle in Mina. Good deeds are magnified during these days. The Prophet ﷺ said:

مَا مِنْ أَيَّامٍ الْعَمَلُ الصَّالِحُ فِيهِنَّ أَحَبُّ إِلَى اللَّهِ مِنْ هَذِهِ الأَيَّامِ الْعَشْرِ ‏”‏ ‏.‏ فَقَالُوا يَا رَسُولَ اللَّهِ وَلاَ الْجِهَادُ فِي سَبِيلِ اللَّهِ فَقَالَ رَسُولُ اللَّهِ ﷺ ‏”‏ وَلاَ الْجِهَادُ فِي سَبِيلِ اللَّهِ إِلاَّ رَجُلٌ خَرَجَ بِنَفْسِهِ وَمَالِهِ فَلَمْ يَرْجِعْ مِنْ ذَلِكَ بِشَيْءٍ

There are no days in which righteous deeds are more beloved to Allāh than those ten days.” They said: “O Messenger of Allāh! Not even Jihad in Allāh Cause?” The Messenger of Allāh ﷺ said: “Not even Jihad in Allāh’s Cause, unless a man were to out with his self and his wealth and not return from that with anything. – al-Tirmidhi (Sahih) 3

What great virtues and what a great season! What an opportunity this is to collect greater reward than that of Jihaad, which is the best deed after correct tawheed then punctual salaah. The season represents a wonderful opportunity for those who want to complete in collecting rewards and a miserable loss for the idle and lazy, who turns away from such opportunities.