* Saturdays & Sundays: Some holidays may be on either Saturday or Sunday. Saturday morning is, officially, a half working day. However, many businesses are open for the full day, and in some cases not at all. Individuals and/or businesses may still choose to take these holidays on the previous Friday or the following Monday, regardless of the official national policy.
** Muslim Holidays: Muslim public holidays are evaluated using the Umm al-Qura Calendar of Saudi Arabia which is used in Saudi Arabia and in most of the Persian Gulf States. Holidays may occur a day later in countries outside the Gulf region. The sunrises, sunsets, moon phases, moonrises and moonsets used in these calculations are based on the location of Mecca (latitude 21.42°N, longitude, 39.82°E, GMT+3 hours, no summer time rules).