Home   Calendar   Repeating

Years with Same Calendar as 2099 – Extended Range

The year 2099 has 365 days and starts on a Thursday (Tanzania, Gregorian calendar).

This country introduced the modern Gregorian calendar in year 1582, so previous years are based on the Julian calendar. In that calendar system, a Leap Day was added every four years, without the exceptions defined in today's Gregorian calendar. This affects the selection of years listed here.

Years with same starting weekday and equal number of days to 2099
Year Compared to year 2099 Since last
1506 593 years before  
1517 582 years before + 11 years
1523 576 years before + 6 years
1534 565 years before + 11 years
1545 554 years before + 11 years
1551 548 years before + 6 years
1562 537 years before + 11 years
1573 526 years before + 11 years
1579 520 years before + 6 years
Tanzania adopted today's Gregorian calendar in 1582. All previous years are based on the Julian calendar.
1587 512 years before + 8 years
1598 501 years before + 11 years
1609 490 years before + 11 years
1615 484 years before + 6 years
1626 473 years before + 11 years
1637 462 years before + 11 years
1643 456 years before + 6 years
1654 445 years before + 11 years
1665 434 years before + 11 years
1671 428 years before + 6 years
1682 417 years before + 11 years
1693 406 years before + 11 years
1699 400 years before + 6 years
1705 394 years before + 6 years
1711 388 years before + 6 years
1722 377 years before + 11 years
1733 366 years before + 11 years
1739 360 years before + 6 years
1750 349 years before + 11 years
1761 338 years before + 11 years
1767 332 years before + 6 years
1778 321 years before + 11 years
1789 310 years before + 11 years
1795 304 years before + 6 years
1801 298 years before + 6 years
1807 292 years before + 6 years
1818 281 years before + 11 years
1829 270 years before + 11 years
1835 264 years before + 6 years
1846 253 years before + 11 years
1857 242 years before + 11 years
1863 236 years before + 6 years
1874 225 years before + 11 years
1885 214 years before + 11 years
1891 208 years before + 6 years
1903 196 years before + 12 years
1914 185 years before + 11 years
1925 174 years before + 11 years
1931 168 years before + 6 years
1942 157 years before + 11 years
1953 146 years before + 11 years
1959 140 years before + 6 years
1970 129 years before + 11 years
1981 118 years before + 11 years
1987 112 years before + 6 years
1998 101 years before + 11 years
2009 90 years before + 11 years
2015 84 years before + 6 years
2026 73 years before + 11 years
2037 62 years before + 11 years
2043 56 years before + 6 years
2054 45 years before + 11 years
2065 34 years before + 11 years
2071 28 years before + 6 years
2082 17 years before + 11 years
2093 6 years before + 11 years
2099 selected year + 6 years
2105 6 years after + 6 years
2111 12 years after + 6 years
2122 23 years after + 11 years
2133 34 years after + 11 years
2139 40 years after + 6 years
2150 51 years after + 11 years
2161 62 years after + 11 years
2167 68 years after + 6 years
2178 79 years after + 11 years
2189 90 years after + 11 years
2195 96 years after + 6 years
2201 102 years after + 6 years
2207 108 years after + 6 years
2218 119 years after + 11 years
2229 130 years after + 11 years
2235 136 years after + 6 years
2246 147 years after + 11 years
2257 158 years after + 11 years
2263 164 years after + 6 years
2274 175 years after + 11 years
2285 186 years after + 11 years
2291 192 years after + 6 years
2303 204 years after + 12 years
2314 215 years after + 11 years
2325 226 years after + 11 years
2331 232 years after + 6 years
2342 243 years after + 11 years
2353 254 years after + 11 years
2359 260 years after + 6 years
2370 271 years after + 11 years
2381 282 years after + 11 years
2387 288 years after + 6 years
2398 299 years after + 11 years
2409 310 years after + 11 years
2415 316 years after + 6 years
2426 327 years after + 11 years
2437 338 years after + 11 years
2443 344 years after + 6 years
2454 355 years after + 11 years
2465 366 years after + 11 years
2471 372 years after + 6 years
2482 383 years after + 11 years
2493 394 years after + 11 years
2499 400 years after + 6 years
109 years share the calendar of year 2099 in the 1000-year time span from 1500 to 2499.
Note that holidays will not match exactly. Selected year is highlighted.

Reduce range

Which Years Have the Same Calendar?

Reuse your yearly calendar by finding years that have the same number of days and start on the same day of the week.

Which Months Have the Same Calendar?

Find months that have the same number of days and start on the same day of the week.

When Does a Date Fall on a Certain Weekday?

Do you feel dates like Friday the 13th occur often? This calculator tells you exactly when.