Dhu'l-qa'dah, also spelt as Dhu al-Qa'dah, is a month in the Islamic lunar calendar, which marks the beginning of the "Haram" months. The name Dhu'l-qa'dah means "the month of truce and rest." Some synonyms used for this month include "the month of peace," "the month of calmness," "the month of tranquillity," and "the month of serenity." This month is regarded as one of the four sacred months in Islam in which warfare is prohibited, and peace and harmony are encouraged. Muslims around the world abstain from selfish and violent behavior during this month and instead focus on self-reflection and spiritual growth. Therefore, Dhu'l-qa'dah stands as a synonym for inner peace and piety.