OIC head gives unity message during Eid al-Adha. Islamic world is celebrating Eid al-Adha, or Feast of Sacrifice. Islamic countries will begin to celebrate Eid al-Adha in three different days due to different calculating methods in Islamic calendar, or Hijri calendar. Islamic calendar is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days. Being a purely lunar calendar, it is not synchronized with the seasons. With an annual drift of 10 or 11 days, the seasonal relation repeats about every 33 Islamic years. Eid al-Adha will begin on October 25 in Turkey, Macedonia and Albania, on October 27 in Pakistan, India and Bangladesh, and on October 26 in other Islamic countries. OIC Head Gives Unity Message During Eid Al-Adha Ekmeleddin Ihsanoglu, Secretary General of the Organisation of Islamic Cooperation (OIC), gave unity and solidarity message for all Muslims during Eid al-Adha or Feast of Sacrifice. Eid al-Adha should remind us all Muslims of the need to promote unity, solidarity and mutuality amongst us and to banish all forms and manifestations of discord, conflict or division, he said. Palestinian issue common problem of all Muslims Noting that Palestinian issue and the pressure of Israeli administration on Islamic artifacts were the common problem of all Muslims, Ihsanoglu said. Ihsanoglu also wished Syria would have peace and tranquility after Eid al-Adha. AA Share this: Di̇ğer Haberler Turkey Expects New US Stance on Gulen, PYD Trump Signs Executive Order Withdrawing US From TPP Erdoğan Warns Tanzania of FETÖ Threat Falcons to face Patriots in Super Bowl LI Presidential System Means Better Governance Pope Francis Warns Against Populist Leaders Like 'Hitler'