2023 has 365 days. The table below maps each calendar date to its day-of-year and weekday.
| Day of year | Date | Weekday | ISO week |
|---|---|---|---|
| 1 | 2023-01-01 | Sunday | 52 |
| 2 | 2023-01-02 | Monday | 1 |
| 3 | 2023-01-03 | Tuesday | 1 |
| 4 | 2023-01-04 | Wednesday | 1 |
| 5 | 2023-01-05 | Thursday | 1 |
| 6 | 2023-01-06 | Friday | 1 |
| 7 | 2023-01-07 | Saturday | 1 |
| 8 | 2023-01-08 | Sunday | 1 |
| 9 | 2023-01-09 | Monday | 2 |
| 10 | 2023-01-10 | Tuesday | 2 |
| 11 | 2023-01-11 | Wednesday | 2 |
| 12 | 2023-01-12 | Thursday | 2 |
| 13 | 2023-01-13 | Friday | 2 |
| 14 | 2023-01-14 | Saturday | 2 |
| 15 | 2023-01-15 | Sunday | 2 |
| 16 | 2023-01-16 | Monday | 3 |
| 17 | 2023-01-17 | Tuesday | 3 |
| 18 | 2023-01-18 | Wednesday | 3 |
| 19 | 2023-01-19 | Thursday | 3 |
| 20 | 2023-01-20 | Friday | 3 |
| 21 | 2023-01-21 | Saturday | 3 |
| 22 | 2023-01-22 | Sunday | 3 |
| 23 | 2023-01-23 | Monday | 4 |
| 24 | 2023-01-24 | Tuesday | 4 |
| 25 | 2023-01-25 | Wednesday | 4 |
| 26 | 2023-01-26 | Thursday | 4 |
| 27 | 2023-01-27 | Friday | 4 |
| 28 | 2023-01-28 | Saturday | 4 |
| 29 | 2023-01-29 | Sunday | 4 |
| 30 | 2023-01-30 | Monday | 5 |
| 31 | 2023-01-31 | Tuesday | 5 |
| 32 | 2023-02-01 | Wednesday | 5 |
| 33 | 2023-02-02 | Thursday | 5 |
| 34 | 2023-02-03 | Friday | 5 |
| 35 | 2023-02-04 | Saturday | 5 |
| 36 | 2023-02-05 | Sunday | 5 |
| 37 | 2023-02-06 | Monday | 6 |
| 38 | 2023-02-07 | Tuesday | 6 |
| 39 | 2023-02-08 | Wednesday | 6 |
| 40 | 2023-02-09 | Thursday | 6 |
| 41 | 2023-02-10 | Friday | 6 |
| 42 | 2023-02-11 | Saturday | 6 |
| 43 | 2023-02-12 | Sunday | 6 |
| 44 | 2023-02-13 | Monday | 7 |
| 45 | 2023-02-14 | Tuesday | 7 |
| 46 | 2023-02-15 | Wednesday | 7 |
| 47 | 2023-02-16 | Thursday | 7 |
| 48 | 2023-02-17 | Friday | 7 |
| 49 | 2023-02-18 | Saturday | 7 |
| 50 | 2023-02-19 | Sunday | 7 |
| 51 | 2023-02-20 | Monday | 8 |
| 52 | 2023-02-21 | Tuesday | 8 |
| 53 | 2023-02-22 | Wednesday | 8 |
| 54 | 2023-02-23 | Thursday | 8 |
| 55 | 2023-02-24 | Friday | 8 |
| 56 | 2023-02-25 | Saturday | 8 |
| 57 | 2023-02-26 | Sunday | 8 |
| 58 | 2023-02-27 | Monday | 9 |
| 59 | 2023-02-28 | Tuesday | 9 |
| 60 | 2023-03-01 | Wednesday | 9 |
| 61 | 2023-03-02 | Thursday | 9 |
| 62 | 2023-03-03 | Friday | 9 |
| 63 | 2023-03-04 | Saturday | 9 |
| 64 | 2023-03-05 | Sunday | 9 |
| 65 | 2023-03-06 | Monday | 10 |
| 66 | 2023-03-07 | Tuesday | 10 |
| 67 | 2023-03-08 | Wednesday | 10 |
| 68 | 2023-03-09 | Thursday | 10 |
| 69 | 2023-03-10 | Friday | 10 |
| 70 | 2023-03-11 | Saturday | 10 |
| 71 | 2023-03-12 | Sunday | 10 |
| 72 | 2023-03-13 | Monday | 11 |
| 73 | 2023-03-14 | Tuesday | 11 |
| 74 | 2023-03-15 | Wednesday | 11 |
| 75 | 2023-03-16 | Thursday | 11 |
| 76 | 2023-03-17 | Friday | 11 |
| 77 | 2023-03-18 | Saturday | 11 |
| 78 | 2023-03-19 | Sunday | 11 |
| 79 | 2023-03-20 | Monday | 12 |
| 80 | 2023-03-21 | Tuesday | 12 |
| 81 | 2023-03-22 | Wednesday | 12 |
| 82 | 2023-03-23 | Thursday | 12 |
| 83 | 2023-03-24 | Friday | 12 |
| 84 | 2023-03-25 | Saturday | 12 |
| 85 | 2023-03-26 | Sunday | 12 |
| 86 | 2023-03-27 | Monday | 13 |
| 87 | 2023-03-28 | Tuesday | 13 |
| 88 | 2023-03-29 | Wednesday | 13 |
| 89 | 2023-03-30 | Thursday | 13 |
| 90 | 2023-03-31 | Friday | 13 |
| 91 | 2023-04-01 | Saturday | 13 |
| 92 | 2023-04-02 | Sunday | 13 |
| 93 | 2023-04-03 | Monday | 14 |
| 94 | 2023-04-04 | Tuesday | 14 |
| 95 | 2023-04-05 | Wednesday | 14 |
| 96 | 2023-04-06 | Thursday | 14 |
| 97 | 2023-04-07 | Friday | 14 |
| 98 | 2023-04-08 | Saturday | 14 |
| 99 | 2023-04-09 | Sunday | 14 |
| 100 | 2023-04-10 | Monday | 15 |
| 101 | 2023-04-11 | Tuesday | 15 |
| 102 | 2023-04-12 | Wednesday | 15 |
| 103 | 2023-04-13 | Thursday | 15 |
| 104 | 2023-04-14 | Friday | 15 |
| 105 | 2023-04-15 | Saturday | 15 |
| 106 | 2023-04-16 | Sunday | 15 |
| 107 | 2023-04-17 | Monday | 16 |
| 108 | 2023-04-18 | Tuesday | 16 |
| 109 | 2023-04-19 | Wednesday | 16 |
| 110 | 2023-04-20 | Thursday | 16 |
| 111 | 2023-04-21 | Friday | 16 |
| 112 | 2023-04-22 | Saturday | 16 |
| 113 | 2023-04-23 | Sunday | 16 |
| 114 | 2023-04-24 | Monday | 17 |
| 115 | 2023-04-25 | Tuesday | 17 |
| 116 | 2023-04-26 | Wednesday | 17 |
| 117 | 2023-04-27 | Thursday | 17 |
| 118 | 2023-04-28 | Friday | 17 |
| 119 | 2023-04-29 | Saturday | 17 |
| 120 | 2023-04-30 | Sunday | 17 |
| 121 | 2023-05-01 | Monday | 18 |
| 122 | 2023-05-02 | Tuesday | 18 |
| 123 | 2023-05-03 | Wednesday | 18 |
| 124 | 2023-05-04 | Thursday | 18 |
| 125 | 2023-05-05 | Friday | 18 |
| 126 | 2023-05-06 | Saturday | 18 |
| 127 | 2023-05-07 | Sunday | 18 |
| 128 | 2023-05-08 | Monday | 19 |
| 129 | 2023-05-09 | Tuesday | 19 |
| 130 | 2023-05-10 | Wednesday | 19 |
| 131 | 2023-05-11 | Thursday | 19 |
| 132 | 2023-05-12 | Friday | 19 |
| 133 | 2023-05-13 | Saturday | 19 |
| 134 | 2023-05-14 | Sunday | 19 |
| 135 | 2023-05-15 | Monday | 20 |
| 136 | 2023-05-16 | Tuesday | 20 |
| 137 | 2023-05-17 | Wednesday | 20 |
| 138 | 2023-05-18 | Thursday | 20 |
| 139 | 2023-05-19 | Friday | 20 |
| 140 | 2023-05-20 | Saturday | 20 |
| 141 | 2023-05-21 | Sunday | 20 |
| 142 | 2023-05-22 | Monday | 21 |
| 143 | 2023-05-23 | Tuesday | 21 |
| 144 | 2023-05-24 | Wednesday | 21 |
| 145 | 2023-05-25 | Thursday | 21 |
| 146 | 2023-05-26 | Friday | 21 |
| 147 | 2023-05-27 | Saturday | 21 |
| 148 | 2023-05-28 | Sunday | 21 |
| 149 | 2023-05-29 | Monday | 22 |
| 150 | 2023-05-30 | Tuesday | 22 |
| 151 | 2023-05-31 | Wednesday | 22 |
| 152 | 2023-06-01 | Thursday | 22 |
| 153 | 2023-06-02 | Friday | 22 |
| 154 | 2023-06-03 | Saturday | 22 |
| 155 | 2023-06-04 | Sunday | 22 |
| 156 | 2023-06-05 | Monday | 23 |
| 157 | 2023-06-06 | Tuesday | 23 |
| 158 | 2023-06-07 | Wednesday | 23 |
| 159 | 2023-06-08 | Thursday | 23 |
| 160 | 2023-06-09 | Friday | 23 |
| 161 | 2023-06-10 | Saturday | 23 |
| 162 | 2023-06-11 | Sunday | 23 |
| 163 | 2023-06-12 | Monday | 24 |
| 164 | 2023-06-13 | Tuesday | 24 |
| 165 | 2023-06-14 | Wednesday | 24 |
| 166 | 2023-06-15 | Thursday | 24 |
| 167 | 2023-06-16 | Friday | 24 |
| 168 | 2023-06-17 | Saturday | 24 |
| 169 | 2023-06-18 | Sunday | 24 |
| 170 | 2023-06-19 | Monday | 25 |
| 171 | 2023-06-20 | Tuesday | 25 |
| 172 | 2023-06-21 | Wednesday | 25 |
| 173 | 2023-06-22 | Thursday | 25 |
| 174 | 2023-06-23 | Friday | 25 |
| 175 | 2023-06-24 | Saturday | 25 |
| 176 | 2023-06-25 | Sunday | 25 |
| 177 | 2023-06-26 | Monday | 26 |
| 178 | 2023-06-27 | Tuesday | 26 |
| 179 | 2023-06-28 | Wednesday | 26 |
| 180 | 2023-06-29 | Thursday | 26 |
| 181 | 2023-06-30 | Friday | 26 |
| 182 | 2023-07-01 | Saturday | 26 |
| 183 | 2023-07-02 | Sunday | 26 |
| 184 | 2023-07-03 | Monday | 27 |
| 185 | 2023-07-04 | Tuesday | 27 |
| 186 | 2023-07-05 | Wednesday | 27 |
| 187 | 2023-07-06 | Thursday | 27 |
| 188 | 2023-07-07 | Friday | 27 |
| 189 | 2023-07-08 | Saturday | 27 |
| 190 | 2023-07-09 | Sunday | 27 |
| 191 | 2023-07-10 | Monday | 28 |
| 192 | 2023-07-11 | Tuesday | 28 |
| 193 | 2023-07-12 | Wednesday | 28 |
| 194 | 2023-07-13 | Thursday | 28 |
| 195 | 2023-07-14 | Friday | 28 |
| 196 | 2023-07-15 | Saturday | 28 |
| 197 | 2023-07-16 | Sunday | 28 |
| 198 | 2023-07-17 | Monday | 29 |
| 199 | 2023-07-18 | Tuesday | 29 |
| 200 | 2023-07-19 | Wednesday | 29 |
| 201 | 2023-07-20 | Thursday | 29 |
| 202 | 2023-07-21 | Friday | 29 |
| 203 | 2023-07-22 | Saturday | 29 |
| 204 | 2023-07-23 | Sunday | 29 |
| 205 | 2023-07-24 | Monday | 30 |
| 206 | 2023-07-25 | Tuesday | 30 |
| 207 | 2023-07-26 | Wednesday | 30 |
| 208 | 2023-07-27 | Thursday | 30 |
| 209 | 2023-07-28 | Friday | 30 |
| 210 | 2023-07-29 | Saturday | 30 |
| 211 | 2023-07-30 | Sunday | 30 |
| 212 | 2023-07-31 | Monday | 31 |
| 213 | 2023-08-01 | Tuesday | 31 |
| 214 | 2023-08-02 | Wednesday | 31 |
| 215 | 2023-08-03 | Thursday | 31 |
| 216 | 2023-08-04 | Friday | 31 |
| 217 | 2023-08-05 | Saturday | 31 |
| 218 | 2023-08-06 | Sunday | 31 |
| 219 | 2023-08-07 | Monday | 32 |
| 220 | 2023-08-08 | Tuesday | 32 |
| 221 | 2023-08-09 | Wednesday | 32 |
| 222 | 2023-08-10 | Thursday | 32 |
| 223 | 2023-08-11 | Friday | 32 |
| 224 | 2023-08-12 | Saturday | 32 |
| 225 | 2023-08-13 | Sunday | 32 |
| 226 | 2023-08-14 | Monday | 33 |
| 227 | 2023-08-15 | Tuesday | 33 |
| 228 | 2023-08-16 | Wednesday | 33 |
| 229 | 2023-08-17 | Thursday | 33 |
| 230 | 2023-08-18 | Friday | 33 |
| 231 | 2023-08-19 | Saturday | 33 |
| 232 | 2023-08-20 | Sunday | 33 |
| 233 | 2023-08-21 | Monday | 34 |
| 234 | 2023-08-22 | Tuesday | 34 |
| 235 | 2023-08-23 | Wednesday | 34 |
| 236 | 2023-08-24 | Thursday | 34 |
| 237 | 2023-08-25 | Friday | 34 |
| 238 | 2023-08-26 | Saturday | 34 |
| 239 | 2023-08-27 | Sunday | 34 |
| 240 | 2023-08-28 | Monday | 35 |
| 241 | 2023-08-29 | Tuesday | 35 |
| 242 | 2023-08-30 | Wednesday | 35 |
| 243 | 2023-08-31 | Thursday | 35 |
| 244 | 2023-09-01 | Friday | 35 |
| 245 | 2023-09-02 | Saturday | 35 |
| 246 | 2023-09-03 | Sunday | 35 |
| 247 | 2023-09-04 | Monday | 36 |
| 248 | 2023-09-05 | Tuesday | 36 |
| 249 | 2023-09-06 | Wednesday | 36 |
| 250 | 2023-09-07 | Thursday | 36 |
| 251 | 2023-09-08 | Friday | 36 |
| 252 | 2023-09-09 | Saturday | 36 |
| 253 | 2023-09-10 | Sunday | 36 |
| 254 | 2023-09-11 | Monday | 37 |
| 255 | 2023-09-12 | Tuesday | 37 |
| 256 | 2023-09-13 | Wednesday | 37 |
| 257 | 2023-09-14 | Thursday | 37 |
| 258 | 2023-09-15 | Friday | 37 |
| 259 | 2023-09-16 | Saturday | 37 |
| 260 | 2023-09-17 | Sunday | 37 |
| 261 | 2023-09-18 | Monday | 38 |
| 262 | 2023-09-19 | Tuesday | 38 |
| 263 | 2023-09-20 | Wednesday | 38 |
| 264 | 2023-09-21 | Thursday | 38 |
| 265 | 2023-09-22 | Friday | 38 |
| 266 | 2023-09-23 | Saturday | 38 |
| 267 | 2023-09-24 | Sunday | 38 |
| 268 | 2023-09-25 | Monday | 39 |
| 269 | 2023-09-26 | Tuesday | 39 |
| 270 | 2023-09-27 | Wednesday | 39 |
| 271 | 2023-09-28 | Thursday | 39 |
| 272 | 2023-09-29 | Friday | 39 |
| 273 | 2023-09-30 | Saturday | 39 |
| 274 | 2023-10-01 | Sunday | 39 |
| 275 | 2023-10-02 | Monday | 40 |
| 276 | 2023-10-03 | Tuesday | 40 |
| 277 | 2023-10-04 | Wednesday | 40 |
| 278 | 2023-10-05 | Thursday | 40 |
| 279 | 2023-10-06 | Friday | 40 |
| 280 | 2023-10-07 | Saturday | 40 |
| 281 | 2023-10-08 | Sunday | 40 |
| 282 | 2023-10-09 | Monday | 41 |
| 283 | 2023-10-10 | Tuesday | 41 |
| 284 | 2023-10-11 | Wednesday | 41 |
| 285 | 2023-10-12 | Thursday | 41 |
| 286 | 2023-10-13 | Friday | 41 |
| 287 | 2023-10-14 | Saturday | 41 |
| 288 | 2023-10-15 | Sunday | 41 |
| 289 | 2023-10-16 | Monday | 42 |
| 290 | 2023-10-17 | Tuesday | 42 |
| 291 | 2023-10-18 | Wednesday | 42 |
| 292 | 2023-10-19 | Thursday | 42 |
| 293 | 2023-10-20 | Friday | 42 |
| 294 | 2023-10-21 | Saturday | 42 |
| 295 | 2023-10-22 | Sunday | 42 |
| 296 | 2023-10-23 | Monday | 43 |
| 297 | 2023-10-24 | Tuesday | 43 |
| 298 | 2023-10-25 | Wednesday | 43 |
| 299 | 2023-10-26 | Thursday | 43 |
| 300 | 2023-10-27 | Friday | 43 |
| 301 | 2023-10-28 | Saturday | 43 |
| 302 | 2023-10-29 | Sunday | 43 |
| 303 | 2023-10-30 | Monday | 44 |
| 304 | 2023-10-31 | Tuesday | 44 |
| 305 | 2023-11-01 | Wednesday | 44 |
| 306 | 2023-11-02 | Thursday | 44 |
| 307 | 2023-11-03 | Friday | 44 |
| 308 | 2023-11-04 | Saturday | 44 |
| 309 | 2023-11-05 | Sunday | 44 |
| 310 | 2023-11-06 | Monday | 45 |
| 311 | 2023-11-07 | Tuesday | 45 |
| 312 | 2023-11-08 | Wednesday | 45 |
| 313 | 2023-11-09 | Thursday | 45 |
| 314 | 2023-11-10 | Friday | 45 |
| 315 | 2023-11-11 | Saturday | 45 |
| 316 | 2023-11-12 | Sunday | 45 |
| 317 | 2023-11-13 | Monday | 46 |
| 318 | 2023-11-14 | Tuesday | 46 |
| 319 | 2023-11-15 | Wednesday | 46 |
| 320 | 2023-11-16 | Thursday | 46 |
| 321 | 2023-11-17 | Friday | 46 |
| 322 | 2023-11-18 | Saturday | 46 |
| 323 | 2023-11-19 | Sunday | 46 |
| 324 | 2023-11-20 | Monday | 47 |
| 325 | 2023-11-21 | Tuesday | 47 |
| 326 | 2023-11-22 | Wednesday | 47 |
| 327 | 2023-11-23 | Thursday | 47 |
| 328 | 2023-11-24 | Friday | 47 |
| 329 | 2023-11-25 | Saturday | 47 |
| 330 | 2023-11-26 | Sunday | 47 |
| 331 | 2023-11-27 | Monday | 48 |
| 332 | 2023-11-28 | Tuesday | 48 |
| 333 | 2023-11-29 | Wednesday | 48 |
| 334 | 2023-11-30 | Thursday | 48 |
| 335 | 2023-12-01 | Friday | 48 |
| 336 | 2023-12-02 | Saturday | 48 |
| 337 | 2023-12-03 | Sunday | 48 |
| 338 | 2023-12-04 | Monday | 49 |
| 339 | 2023-12-05 | Tuesday | 49 |
| 340 | 2023-12-06 | Wednesday | 49 |
| 341 | 2023-12-07 | Thursday | 49 |
| 342 | 2023-12-08 | Friday | 49 |
| 343 | 2023-12-09 | Saturday | 49 |
| 344 | 2023-12-10 | Sunday | 49 |
| 345 | 2023-12-11 | Monday | 50 |
| 346 | 2023-12-12 | Tuesday | 50 |
| 347 | 2023-12-13 | Wednesday | 50 |
| 348 | 2023-12-14 | Thursday | 50 |
| 349 | 2023-12-15 | Friday | 50 |
| 350 | 2023-12-16 | Saturday | 50 |
| 351 | 2023-12-17 | Sunday | 50 |
| 352 | 2023-12-18 | Monday | 51 |
| 353 | 2023-12-19 | Tuesday | 51 |
| 354 | 2023-12-20 | Wednesday | 51 |
| 355 | 2023-12-21 | Thursday | 51 |
| 356 | 2023-12-22 | Friday | 51 |
| 357 | 2023-12-23 | Saturday | 51 |
| 358 | 2023-12-24 | Sunday | 51 |
| 359 | 2023-12-25 | Monday | 52 |
| 360 | 2023-12-26 | Tuesday | 52 |
| 361 | 2023-12-27 | Wednesday | 52 |
| 362 | 2023-12-28 | Thursday | 52 |
| 363 | 2023-12-29 | Friday | 52 |
| 364 | 2023-12-30 | Saturday | 52 |
| 365 | 2023-12-31 | Sunday | 52 |
2023 Day of Year
This page maps every day of 2023 to its day-of-year (Jan 1 = day 1), with the weekday and ISO week shown too.
Useful whenever you need the "day number" for log formats, fiscal quarters or astronomical calculations.
Features
- Day-by-day mapping — Days 1 to 365, one row per day.
- Weekday and ISO week — Both the weekday and the ISO week number are shown.
How to use
- To find the day-of-year for a date, just look it up in this table.
FAQ
Is "day of year" the same as "Julian day"?
No. Day-of-year restarts from 1 every year; the Julian day is a continuous count from 4713 BC and does not reset across years.