What was the day of the week on 28th May, 2006?

To determine the day of the week for May 28, 2006, we calculate total odd days. For years: 1600 and 400 years contribute 0 odd days. The remaining 5 years (2001-2005) contain one leap year and four ordinary years, totaling 6 odd days. For months in 2006 up to April: January (31 days), February (28 days, not leap), March (31 days), and April (30 days) sum to 120 days, which equals 17 weeks and 1 odd day. Adding the first 28 days of May (0 odd days), the total odd days are 6 + 1 = 7, which reduces to 0. An odd day count of 0 corresponds to Sunday.