1. Islamic Society of Madison: The Islamic Society of Madison provides prayer times and iftar timings for the Madison area, including sunset and maghrib times during Ramadan.
2. ISNA (Islamic Society of North America): ISNA offers a comprehensive Ramadan timetable that includes iftar timings for different cities in the United States, including Madison.
3. Local Mosques: Many mosques in Madison also provide iftar timings for their community members during Ramadan. You may want to check with the mosque closest to your location for specific iftar times.
It's always best to check with local Islamic authorities or your local mosque for the most accurate iftar times based on the current lunar calendar.