| Millennium: | 2nd Millennium BC |
|---|---|
| Centuries: | 18th cent. BC – 17th cent. BC – 16th cent. BC |
| Decades: | 1630s BC 1620s BC 1610s BC – 1600s BC – 1590s BC 1580s BC 1570s BC |
| Years: | 1606 BC 1605 BC 1604 BC – 1603 BC – 1602 BC 1601 BC 1600 BC |
| Gregorian calendar | 1603 MDCIII |
| Ab urbe condita | 2356 |
| Armenian calendar | 1052 ԹՎ ՌԾԲ |
| Assyrian calendar | 6353 |
| Bengali calendar | 1010 |
| Berber calendar | 2553 |
| English Regnal year | 45 Eliz. 1 – 1 Ja. 1 |
| Buddhist calendar | 2147 |
| Burmese calendar | 965 |
| Byzantine calendar | 7111–7112 |
| Chinese calendar | 壬寅年 (Water Tiger) 4299 or 4239 — to — 癸卯年 (Water Rabbit) 4300 or 4240 |
| Coptic calendar | 1319–1320 |
| Discordian calendar | 2769 |
| Ethiopian calendar | 1595–1596 |
| Hebrew calendar | 5363–5364 |
| Hindu calendars | |
| - Vikram Samvat | 1659–1660 |
| - Shaka Samvat | 1524–1525 |
| - Kali Yuga | 4703–4704 |
| Holocene calendar | 11603 |
| Igbo calendar | 603–604 |
| Iranian calendar | 981–982 |
| Islamic calendar | 1011–1012 |
| Japanese calendar | Keichō 8 (慶長８年) |
| Javanese calendar | 1523–1524 |
| Julian calendar | Gregorian minus 10 days |
| Korean calendar | 3936 |
| Minguo calendar | 309 before ROC 民前309年 |
| Nanakshahi calendar | 135 |
| Thai solar calendar | 2145–2146 |
The year 1603 BC