Gregorian -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 -400 -300 -200 -100 0 100 200 300 400 500 600 700 800 900 970 980 990 1000 1010 1020 1030 1040 1050 1060 1070 1080 1090 1100 1110 1120 1130 1140 1150 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1200 1210 1220 1230 1240 1250 1260 1270 1280 1290 1300 1400 1500 1600 1700 1800 2000 2024 3000 January February March April May June July August September October November December -- 1 [Sunday(6)] 2 [Monday(0)] 3 [Tuesday(1)] 4 [Wednesday(2)] 5 [Thursday(3)] 6 [Friday(4)] 7 [Saturday(5)] 8 [Sunday(6)] 9 [Monday(0)] 10 [Tuesday(1)] 11 [Wednesday(2)] 12 [Thursday(3)] 13 [Friday(4)] 14 [Saturday(5)] 15 [Sunday(6)] 16 [Monday(0)] 17 [Tuesday(1)] 18 [Wednesday(2)] 19 [Thursday(3)] 20 [Friday(4)] 21 [Saturday(5)] 22 [Sunday(6)] 23 [Monday(0)] 24 [Tuesday(1)] 25 [Wednesday(2)] 26 [Thursday(3)] 27 [Friday(4)] 28 [Saturday(5)] 29 [Sunday(6)] 30 [Monday(0)] 31 [Tuesday(1)] -- starts at 1179-07-01