Find the day on 1st April, 1994. 1600 years contain 0 odd day 300 years contain 1 odd day 93 years = (23 leap years + 70 ordinary years ) = (46 + 70) odd days = 4 odd days. Number of days upto 1st April, 1994 Jan Feb March April 31 + 28 + 31 + 1 = 91 days = 0 odd day. :. Total number of odd days = (0 + 1 + 4 + 0) = 5 odd day. :. Day on 1st April 1994 is 'Friday' :. Sunday was on 3rd April, 1994. Thus, Sunday fell on 3rd, 10th, 17th, & 24th.