Eid-e-Zehra, also known as Eid-e-Shuja, is a ritual festival observed, mainly by Shia Muslims after the completion of the two-month mourning period of Muharram (Azadari). Eid-e-Zehra, also called Farhat-e-Zahra, Eid-e-Zahra, and Eid-e-Shuja, is celebrated on the 9th of Rabi-ul-Awal, which will be celebrated from the evening of September 1 to September 2  2025 manly by Shia Muslims as per the Islamic Calendar. According to Shia beliefs, Prophet Muhammad’s daughter, Fatima Zahra, felt calm and happy on this day as justice was served.

Eid-e-Zehra is celebrated annually by Shia Muslims on the ninth day of Rabi Al-Awwal in the Islamic-Hijri calendar after the mourning month of Muharram and Chellum (the forty days of mourning). After these mourning periods, Shia Muslims mark or celebrate Eid-e-Zehra by sharing food and sweets with family and close friends. They offer prayers (Namaz) and thank God (Allah) for bringing happiness and peace after the mourning month. As per Islamic history, Mukhtar al-Thaqafi revolted against the Umayyad Caliphate in 685, seeking justice for the Karbala tragedy by taking retribution against those responsible for the martyrdom of Imam Hussain and his followers. Thus, Shia Muslims celebrate celebrated Eid-e-Zehra after the mourning month of Muharram. Eid-e-Zehra is also the celebration of the first day of Imamate of Imam Mahdi for Shia Muslims

Eid-e-Zahra is considered a major celebration of Eid, primarily for Shia Muslims worldwide. According to Shia beliefs, Imam Zainul Abideen smiled for the first time after the tragic events of Karbala on this day, marking a shift from mourning to celebration. On Eid-e-Zahra, Shia Muslims typically wear new, mainly red clothes, share sweets, and spend a joyful time with their family members and friends to commemorate the occasion.