In the following years, the 15th of August is a Sunday:
- 2004, 2010, 2021, 2027, 2032, 2038 & 2049
- 2055, 2060, 2066, 2077, 2083, 2088, 2094 & 2100
- 2106, 2117, 2123, 2128, 2134 & 2145
- 2151, 2156, 2162, 2173, 2179, 2184 & 2190
- 2202, 2213, 2219, 2224, 2230, 2241 & 2247
- 2252, 2258, 2269, 2275, 2280, 2286 & 2297
- 2309, 2315, 2320, 2326, 2337, 2343 & 2348
- 2354, 2365, 2371, 2376, 2382, 2393 & 2399
Because the Gregorian calendar repeats every 400 years, adding and subtracting all of the multiples of 400 to all of the listed years gives you all of the other years in which the 15th of August is a Sunday.