In past years, the Saudi announcements for the dates of Eid have been heavily criticised by Muslim astronomers. Many scholars argue that Muslims around the world are not obliged to celebrate Eid al-Adha the day after the Day of Arafat during the Hajj in present-day Saudi Arabia. This 10-page article by Hood Bradford discusses the issue, with useful quotes from classical and contemporary jurists.
1. DETERMINING THE ISLAMIC CALENDAR: GLOBAL VS. REGIONAL SIGHTING
2. DETERMINING THE ISLAMIC CALENDAR: USING ASTRONOMY AND CALCULATIONS
3. EVIDENCE FOR ARAFAH BEING THE DAY THE PEOPLE STAND AT ARAFAH AND EID AL ADHAA COINCIDING WITH THE STONING OF THE JAMARAAT
4. PRAYING WITH THE REST OF THE MUSLIMS IN THE COMMUNITY
5. RUDENESS AND SPEAKING BAD OF OTHERS FOR FOLLOWING AN ISSUE WHICH THERE IS LEGITMATE DIFFERENCE OF OPINION