// Surveyor Tools
GPS calendar 2028: GPS week and day of year (DOY) for every date Tools › GPS week and day of year › 2028 In 2028, GPS weeks run from 2503 (January 1) to 2556 (December 31), and the year has 366 days. Under each date, the small number is the day of year (DOY) used in RINEX file names.
GPS calendar 2028
January
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2503 1 001 2504 2 002 3 003 4 004 5 005 6 006 7 007 8 008 2505 9 009 10 010 11 011 12 012 13 013 14 014 15 015 2506 16 016 17 017 18 018 19 019 20 020 21 021 22 022 2507 23 023 24 024 25 025 26 026 27 027 28 028 29 029 2508 30 030 31 031
February
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2508 1 032 2 033 3 034 4 035 5 036 2509 6 037 7 038 8 039 9 040 10 041 11 042 12 043 2510 13 044 14 045 15 046 16 047 17 048 18 049 19 050 2511 20 051 21 052 22 053 23 054 24 055 25 056 26 057 2512 27 058 28 059 29 060
March
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2512 1 061 2 062 3 063 4 064 2513 5 065 6 066 7 067 8 068 9 069 10 070 11 071 2514 12 072 13 073 14 074 15 075 16 076 17 077 18 078 2515 19 079 20 080 21 081 22 082 23 083 24 084 25 085 2516 26 086 27 087 28 088 29 089 30 090 31 091
April
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2516 1 092 2517 2 093 3 094 4 095 5 096 6 097 7 098 8 099 2518 9 100 10 101 11 102 12 103 13 104 14 105 15 106 2519 16 107 17 108 18 109 19 110 20 111 21 112 22 113 2520 23 114 24 115 25 116 26 117 27 118 28 119 29 120 2521 30 121
May
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2521 1 122 2 123 3 124 4 125 5 126 6 127 2522 7 128 8 129 9 130 10 131 11 132 12 133 13 134 2523 14 135 15 136 16 137 17 138 18 139 19 140 20 141 2524 21 142 22 143 23 144 24 145 25 146 26 147 27 148 2525 28 149 29 150 30 151 31 152
June
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2525 1 153 2 154 3 155 2526 4 156 5 157 6 158 7 159 8 160 9 161 10 162 2527 11 163 12 164 13 165 14 166 15 167 16 168 17 169 2528 18 170 19 171 20 172 21 173 22 174 23 175 24 176 2529 25 177 26 178 27 179 28 180 29 181 30 182
July
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2529 1 183 2530 2 184 3 185 4 186 5 187 6 188 7 189 8 190 2531 9 191 10 192 11 193 12 194 13 195 14 196 15 197 2532 16 198 17 199 18 200 19 201 20 202 21 203 22 204 2533 23 205 24 206 25 207 26 208 27 209 28 210 29 211 2534 30 212 31 213
August
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2534 1 214 2 215 3 216 4 217 5 218 2535 6 219 7 220 8 221 9 222 10 223 11 224 12 225 2536 13 226 14 227 15 228 16 229 17 230 18 231 19 232 2537 20 233 21 234 22 235 23 236 24 237 25 238 26 239 2538 27 240 28 241 29 242 30 243 31 244
September
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2538 1 245 2 246 2539 3 247 4 248 5 249 6 250 7 251 8 252 9 253 2540 10 254 11 255 12 256 13 257 14 258 15 259 16 260 2541 17 261 18 262 19 263 20 264 21 265 22 266 23 267 2542 24 268 25 269 26 270 27 271 28 272 29 273 30 274
October
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2543 1 275 2 276 3 277 4 278 5 279 6 280 7 281 2544 8 282 9 283 10 284 11 285 12 286 13 287 14 288 2545 15 289 16 290 17 291 18 292 19 293 20 294 21 295 2546 22 296 23 297 24 298 25 299 26 300 27 301 28 302 2547 29 303 30 304 31 305
November
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2547 1 306 2 307 3 308 4 309 2548 5 310 6 311 7 312 8 313 9 314 10 315 11 316 2549 12 317 13 318 14 319 15 320 16 321 17 322 18 323 2550 19 324 20 325 21 326 22 327 23 328 24 329 25 330 2551 26 331 27 332 28 333 29 334 30 335
December
GPS week Sun 0 Mon 1 Tue 2 Wed 3 Thu 4 Fri 5 Sat 6
2551 1 336 2 337 2552 3 338 4 339 5 340 6 341 7 342 8 343 9 344 2553 10 345 11 346 12 347 13 348 14 349 15 350 16 351 2554 17 352 18 353 19 354 20 355 21 356 22 357 23 358 2555 24 359 25 360 26 361 27 362 28 363 29 364 30 365 2556 31 366
FAQ
When does the GPS week start? The GPS week starts on Sunday at 00:00 GPS time and is counted from January 6, 1980 (week 0). GPS time is currently 18 seconds ahead of UTC.
What is the day of year (DOY)? It is the day number counted from January 1 (001) to December 31 (365, or 366 in a leap year). It appears in RINEX file names and in the folders of GNSS data servers.
What is today's GPS week? Open the GPS week and day-of-year calculator: it shows the GPS week, the day of year and a live GPS clock, and converts any date.
