| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1663 by topic |
|---|
| Arts and science |
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Works category |
| Gregorian calendar | 1663 MDCLXIII |
| Ab urbe condita | 2416 |
| Armenian calendar | 1112 ԹՎ ՌՃԺԲ |
| Assyrian calendar | 6413 |
| Balinese saka calendar | 1584–1585 |
| Bengali calendar | 1070 |
| Berber calendar | 2613 |
| English Regnal year | 14 Cha. 2 – 15 Cha. 2 |
| Buddhist calendar | 2207 |
| Burmese calendar | 1025 |
| Byzantine calendar | 7171–7172 |
| Chinese calendar | 壬寅年 (Water Tiger) 4360 or 4153 — to — 癸卯年 (Water Rabbit) 4361 or 4154 |
| Coptic calendar | 1379–1380 |
| Discordian calendar | 2829 |
| Ethiopian calendar | 1655–1656 |
| Hebrew calendar | 5423–5424 |
| Hindu calendars | |
| - Vikram Samvat | 1719–1720 |
| - Shaka Samvat | 1584–1585 |
| - Kali Yuga | 4763–4764 |
| Holocene calendar | 11663 |
| Igbo calendar | 663–664 |
| Iranian calendar | 1041–1042 |
| Islamic calendar | 1073–1074 |
| Japanese calendar | Kanbun 3 (寛文３年) |
| Javanese calendar | 1585–1586 |
| Julian calendar | Gregorian minus 10 days |
| Korean calendar | 3996 |
| Minguo calendar | 249 before ROC 民前249年 |
| Nanakshahi calendar | 195 |
| Thai solar calendar | 2205–2206 |
| Tibetan calendar | 阳水虎年 (male Water-Tiger) 1789 or 1408 or 636 — to — 阴水兔年 (female Water-Rabbit) 1790 or 1409 or 637 |
1663 (MDCLXIII) was a common year starting on Monday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1663rd year of the Common Era (CE) and Anno Domini (AD) designations, the 663rd year of the 2nd millennium, the 63rd year of the 17th century, and the 4th year of the 1660s decade. As of the start of 1663, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.