In Islam, there are some ceremonies and occasions which are held all around the world among Muslims. They all have religious backgrounds and are mostly referred to in the holy Quran. Muslim nations have been commemorating them in the course of history. Here we are going to have a glance at the most significant Islamic occasions based on the Lunar Calendar.

6 Major  Islamic Occasions 

1.10th of Muharram: Martyrdom of Imam Hussain (AS)

The month of Muharram is the first month of the year in the lunar calendar. On the tenth day of this month, Hussain Ibn Ali (AS), the grandson of Prophet Muhammad (PBUH&HP), and his companions were brutally martyred, and their women and children were taken captive by the caliph of the time, Yazid ibn. Muawyah. Their story has been the source of inspiration for many new converts. 

2. 20th of Safar: The Day of Arbaeen

Arbaeen is the Arabic word for forty, and it marks the 20th of Safar, the fortieth day after Imam Hussain's (AS) martyrdom on the day of Ashura, who was martyred in the event of Karbala along with his companions in the cruelest and most inhumane way possible. 

According to some historical accounts [2], some of the members of Imam Hussain's (AS) family after being released from the bondage of Yazid's forces returned to Karbala from Sham (today's Damascus) to visit Imam Hussain's (AS) grave. Also, some believe that Imam Hussain's (AS) head, which was taken to Sham by Yazid's army was brought back to Karbala on this day and buried with his body [3] & [4]. 

Every year, a few days before this day, a vast number of people from all over the world, Muslims or even non-Muslims, gather in Iraq to take part in a symbolic walk, to revive the teachings of Imam Hussain (AS) and commemorate his sacrifice in the way of Allah and humanity. 

3. 17th of Rabi al-Avval: Prophet Muhammad's (PBUH&HP) Birthday

There is a disagreement concerning the exact date of Prophet Muhammad's (PBUH&HP) birthday. Some believe it occurred on the 12th of Rabi al-Avval, while others consider it to be on the 17th of Rabi al-Avval, the third month in the Islamic calendar. Prophet Muhammad (PBUH&HP) was born in Mecca. All Muslims around the world celebrate his birthday and regard it as one of the important Islamic occasions. On this day, Muslims feed the needy, pray and recite the Quran, commemorate Prophet Muhammad (PBUH&HP), and his challenges to deliver the messages of Allah to human beings.

4. 1st of Shawwal: Eid al-Fitr

The first day of the month of Shawwal, the tenth month of the Islamic calendar, is called Eid al-Fitr. After fasting for one month, during the month of Ramadan, remembering, worshipping Allah and trying to do fewer sins beside not eating and drinking from before the Call for Fajr prayer to after the Call for Magrib prayer, Muslims celebrate the first day of the month of Shawwal, for their success in submitting to Allah's command. They perform the Eid prayer first; then, they hold a feast inviting their loved ones, wear their best clothes, and visit their friends and family. The culture of feasting might be different in different Islamic communities, but one thing is for sure; no one is allowed to fast on this exceptional day. Allah also obliges Muslims to share their blessings and happiness with the needy with the money they donate to them. 

5. 10th of Dhu'l-Hijjah: Eid al-Adha

Eid al-Adha is one of the most significant Islamic occasions. Some of the most important events of this Abrahamic religion happened on this day. On this Eid, similar to Eid al-Fitr, Muslims are not allowed to fast. The first is the sacrifice of Ishmael by his father, Abraham, for the sake of Allah. When Abraham and his son both surrendered, and he was ready to behead his son, Allah sent a ram and asked Abraham to kill that instead.

"So when they had both surrendered [to Allah's will], and he had laid him down on his forehead, We called out to him, 'O Abraham! You have indeed fulfilled your vision! Thus indeed do We reward the virtuous! This was indeed a manifest test. Then We ransomed him with a great sacrifice, and left for him a good name in posterity." (37: 103-108)

This day is also the last day of Hajj rituals, in which Muslims shall sacrifice an animal to feed the needy Muslims. On this day, those who attended Hajj have performed all their Hajj rituals, and with the great assistance of Allah, all their sins are wiped away, and Allah accepts their good deeds and repentance.

Many Muslims celebrate this day. They sacrifice an animal to feed the needy, even if they have not attended Hajj. If they do not have enough money to buy a sheep, they do other things and feed the destitute in different ways. This sacrifice is an expression of generosity and obedience to the commands of Allah. This Eid also reminds humankind of the characteristics, such as envy, rage, dishonesty, etc., they have to symbolically sacrifice in themselves to become the better version of themselves and be worthy of being Allah's best creation. 

5. 18th of Dhu'l-Hijjah: Eid al-Ghadir

This Islamic occasion was a day in the last Hajj pilgrimage (Hajjat al-Vida'a) of Prophet Muhammad (PBUH&HP). When he was going back to Medina with all his companions and other pilgrims, he gathered everyone around a place called Ghadir and announced these words in which he appointed Imam Ali b. Abi Talib (AS) as his caliph and the Imam after himself following a direct order from Allah [i]:

"Whomsoever, I am his leader (Mawla), Ali (AS) is also his leader (Mawla). O' Allah! Love those who love him (Ali (AS)) and oppose those who oppose him" [1]

This is another important day in the Muslim calendar. On this day, Muslims can fast and again feed the needy, as an essential part of Islamic culture. 

These are the most significant and most celebrated Islamic occasions. As one can see, feeding others and praying to Allah are the essential things a Muslim should do to celebrate a feast, which reveals the importance of caring for others in Islam that results from the devotion to Allah.  

Notes: 
[i] Verse 67th of Surah al-Maedah known as Al-Tabligh Verse, and the third verse of the same chapter known as Al-Ikmal Verse. 

References:

1.  Ibn Athīr, Usd al-ghāba, vol. 3, p. 605; Kulaynī, al-Kāfī, vol. 1, p. 295; Balādhurī, Ansāb al-ashrāf, vol. 2, p. 110-111;
2.  Ibn Tawus, 'Ali b. Musa, Al-Luhuf 'ala qatla l-tufuf, Uswi, Qom, 1414 AH.
3.  Al-Biruni, Abu Rayhan, The Remaining Signs of Past Centuries, p.331.
4. Qazi al-Tabataii, Muhammad Ali, A Research on the first Arba'een of the Leader of Martyrs (Imam Hussain (AS)), vol.3, p.304.
    

One of the features of a believing Muslim is that he/she always wants to grow closer to Allah and constantly seeks His satisfaction. For this reason, there are numerous narrations from the infallible Imams (A.S) indicating the right time and place for seeking closeness to Allah.It is clear that God is the Most Gracious, and his Mercy is always bestowed upon humankind wherever they are. However, there are special times and places at which God’s benevolence towards His creatures becomes even greater. One of these occasions is the Day of Arafah.

When is the Day of Arafah?

The ninth day of Dhu al-Hijjah (the final month of the Islamic lunar calendar) is the day of Arafah when Hajj pilgrims stand on the plain of Arafat (a vast desert about 20 km southeast of Mecca) to pray. Arafah can be translated as knowing, understanding or theosophy [1]. 

According to historians, it was on the plain of Arafat where Adam and Eve met each other once again after their descent from heaven and long separation upon the Earth, and their sins were forgiven by Allah.
It also recalls how Gabriel taught the prophet Abraham (AS) all the Hajj rituals on the plain of Arafat.

The day of Arafah is so important that Imam Hussain (AS), the third infallible Shia Imam, recited the famous supplication of Arafah one year during his pilgrimage to Mecca on this day.

The virtues of the Day of Arafah

Arafah is one of the most blessed days in Islam that carries a lot of merits for the ones who are present on the plain of Arafat and other people elsewhere. This day in its blessedness and sacredness weighs the same as the Night of Qadr. It has been narrated, “People who were not able to achieve their purpose in the Night of Qadr or those who were not forgiven on that day, Arafah is the last opportunity for them” [2].

So, many Muslims occupy themselves with reciting the Holy Quran, prayer, and supplications hoping that there would be more opportunities for them to be forgiven by Allah on this special day. One of the best deeds performed by Shia Muslims is reciting Imam Hussain’s (AS) supplication of Arafah, which best represents the spirit of this day. Contemplation on this amazing supplication which encompasses facts about monotheism and its degrees will ultimately bring us closer to Allah.

The supplication of Arafah by Imam Hussain (AS)

In this supplication, we first praise God in a loving and friendly manner. Then we count the blessings God has bestowed upon us, and after confessing our misdeeds and sins, we ask Allah to forgive them. That is when we put forth our request to God. Now let’s recite and think about some of the most beautiful verses from this supplication (Dua): (You may also find the audio and the English subtitle of this supplication here.)

Arafah, a better opportunity to praise Allah

“Praise be to Allah Whose determination cannot be repelled by anything, whose gifts cannot be stopped by anything, and Whose making cannot be resembled by the making of anyone. He is the All-magnanimous, the All-liberal.”

A Path to Self-knowledge

“Even before that (before you showed me the right path), You had compassion on me, through Your excellent conferral and Your affluent bestowals. So, You fashioned my creation from semen that gushed forth and put me up in triple darkness among flesh, blood, and skin. You have not made me witness my creation, and You have not referred any part of my creation to me.”

Getting trained at the Divine school of God

“So, Exalted be You, O All-merciful, O All-beneficent. When I commenced (my life) by pronouncing words, You perfected for me the affluent bestowals and brought me up to an increase every year. When my creation was accomplished, and my power became straight, You put me under the obligation of Your Claim, which is that You inspired me with recognition of You and alarmed me by the wonders of Your wisdom.”

Counting God’s blessings

“As You created me from the best of soil, You, my God, have not wanted for me to have a certain favor (and to be deprived of another) and You, therefore, provided me with the various kinds of living and types of wealth, out of Your great and grand conferral upon me, and Your eternal kindness to me.”

Testimony to the boundless Divine blessings

“And I bear witness, O my God, with my true belief, and the fortitude of the determinations of my conviction and the purity of my open belief in Your Oneness and the essence of the secret of my conscience, and the ties of the canals of the light of my sight, and the lines of my forehead and the hallows of the courses of my breath, and the (nasal) cavities of my nose, and the courses of the meatus of my hearing, and whatever my two lips hide and cover up, …”

Human inability to thank Allah

“I bear witness) that if I try my best and strive throughout all ages and at all times, if I live them, to thank properly only one of Your favors, I will not be able to do that, except through a favor of You, which also requires me to thank You for it, once again with new thanking and with praise that is newly acquired and newly prepared.”

The opportunity to repent and ask for forgiveness

“It is I who did wrong. It is I who had evil intention…I now acknowledge of my sins; so, (please) forgive them to me.”

Arafah is one of the best days to turn to God with sincere repentance. Allah, on this day, accepts the repentance of His servants and grant them forgiveness if they are truly regretful and determined to give up their sins.

The demands of a nobleman

“O Allah, (please) make me fear You as if I can see You. Make me happy by fearing You. Do not make me unhappy by disobeying You. Choose for me through Your decree. so that I will not long for hastening that which You have delayed or delaying that which You would hasten.”

Eventually, you will find yourself immersed in the ocean of Allah’s mercy, which is what a true believer always seeks.

 “O Allah, Verily, You are the nearest of those who are prayed, You are the promptest of those who may respond, the most generous of those who may pardon, and the most responding of those who are asked. O All-beneficent of the world and the Hereafter, and All-merciful!”

References:

1. Arafah
2. Day of Arafah
3. Arafah supplication
4. supplication