| Gregorian - Monday-based week with week numbers | |
| September 2006 | |
| Mo Tu We Th Fr Sa Su | |
| 35 1 2 3 | |
| 36 4 5 6 7 8 9 10 | |
| 37 11 12 13 14 15 16 17 | |
| 38 18 19 20 21 22 23 24 | |
| 39 25 26 27 28 29 30 | |
| Gregorian - Sunday-based week with week numbers | |
| September 2006 | |
| Su Mo Tu We Th Fr Sa | |
| 35 1 2 | |
| 36 3 4 5 6 7 8 9 | |
| 37 10 11 12 13 14 15 16 | |
| 38 17 18 19 20 21 22 23 | |
| 39 24 25 26 27 28 29 30 | |
| Julian - Monday-based week with week numbers | |
| September 2006 | |
| Mon Tue Wed Thu Fri Sat Sun | |
| 35 244 245 246 | |
| 36 247 248 249 250 251 252 253 | |
| 37 254 255 256 257 258 259 260 | |
| 38 261 262 263 264 265 266 267 | |
| 39 268 269 270 271 272 273 | |
| Julian - Sunday-based week with week numbers | |
| September 2006 | |
| Sun Mon Tue Wed Thu Fri Sat | |
| 35 244 245 | |
| 36 246 247 248 249 250 251 252 | |
| 37 253 254 255 256 257 258 259 | |
| 38 260 261 262 263 264 265 266 | |
| 39 267 268 269 270 271 272 273 | |