J_03 J_02 J_01 D_31 D_30 D_29 D_28 D_27 D_26 D_25 D_24 D_23 D_22 D_21
               2001 2002 2003 2004 leap leapweek (elwy)
     2005 2006 2007 2008 leap 2009 2010 leapweek
     2011 2012 leap 2013 2014 2015 2016 leap leapweek
          2017 2018 2019 2020 leap 2021 2022 leapweek
          2023 2024 leap 2025 2026 2027 2028 leap leapweek
               2029 2030 2031 2032 leap leapweek (elwy 28)
     2033 2034 2035 2036 leap 2037 2038 leapweek
     2039 2040 leap 2041 2042 2043 2044 leap leapweek
          2045 2046 2047 2048 leap 2049 2050 leapweek
          2051 2052 leap 2053 2054 2055 2056 leap leapweek
               2057 2058 2059 2060 leap 2061 2062 leapweek
               2063 2064 leap 2065 2066 leapweek (elwy 34)
     2067 2068 leap 2069 2070 2071 2072 leap leapweek
          2073 2074 2075 2076 leap 2077 2078 leapweek
          2079 2080 leap 2081 2082 2083 2084 leap leapweek
               2085 2086 2087 2088 leap 2089 2090 leapweek
               2091 2092 leap 2093 2094 leapweek (elwy 28)
     2095 2096 leap 2097 2098 2099 2100 leapweek
     2101 2102 2103 2104 leap 2105 2106 leapweek
     2107 2108 leap 2109 2110 2111 2112 leap leapweek
          2113 2114 2115 2116 leap 2117 2118 leapweek
          2119 2120 leap 2121 2122 2123 2124 leap leapweek
               2125 2126 2127 2128 leap leapweek (elwy 34)
     2129 2130 2131 2132 leap 2133 2134 leapweek
     2135 2136 leap 2137 2138 2139 2140 leap leapweek
          2141 2142 2143 2144 leap 2145 2146 leap
          2147 2138 leap 2149 2150 2151 2152 leap leapweek
               2153 2154 2155 2156 leap leapweek (elwy 28)
     2157 2158 2159 2160 leap 2161 2162 leapweek
     2163 2164 leap 2165 2166 2167 2168 leap leapweek
          2169 2170 2171 2172 leap 2173 2174 leapweek
          2175 2176 leap 2177 2178 2179 2180 leap leapweek
               2181 2182 2183 2184 leap 2185 2186 leapweek
               2187 2188 leap 2189 2190 leapweek (elwy 34)
     2191 2192 leap 2193 2194 2195 2196 leap leapweek
          2197 2198 2199 2200 2201 2202 leapweek
J_03 J_02 J_01 D_31 D_30 D_29 D_28 D_27 D_26 D_25 D_24 D_23 D_22 D_21