| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 1504 MDIV |
| Ab urbe condita | 2257 |
| Armenian calendar | 953 ԹՎ ՋԾԳ |
| Assyrian calendar | 6254 |
| Bengali calendar | 911 |
| Berber calendar | 2454 |
| English Regnal year | 19 Hen. 7 – 20 Hen. 7 |
| Buddhist calendar | 2048 |
| Burmese calendar | 866 |
| Byzantine calendar | 7012–7013 |
| Chinese calendar |
癸亥年 (Water Pig) 4200 or 4140 — to — 甲子年 (Wood Rat) 4201 or 4141 |
| Coptic calendar | 1220–1221 |
| Discordian calendar | 2670 |
| Ethiopian calendar | 1496–1497 |
| Hebrew calendar | 5264–5265 |
| Hindu calendars | |
| - Vikram Samvat | 1560–1561 |
| - Shaka Samvat | 1425–1426 |
| - Kali Yuga | 4604–4605 |
| Holocene calendar | 11504 |
| Igbo calendar | 504–505 |
| Iranian calendar | 882–883 |
| Islamic calendar | 909–910 |
| Japanese calendar |
Bunki 4 / Eishō 1 (永正元年) |
| Javanese calendar | 1421–1422 |
| Julian calendar | 1504 MDIV |
| Korean calendar | 3837 |
| Minguo calendar | 408 before ROC 民前408年 |
| Nanakshahi calendar | 36 |
| Thai solar calendar | 2046–2047 |
Year 1504 (MDIV) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar.