| Millennium: | 2nd Millennium |
|---|---|
| Centuries: | 17th cent. – 18th cent. – 19th cent. |
| Decades: | 1700s 1710s 1720s – 1730s – 1740s 1750s 1760s |
| Years: | 1727 1728 1729 – 1730 – 1731 1732 1733 |
| Gregorian calendar | 1730 MDCCXXX |
| Ab urbe condita | 2483 |
| Armenian calendar | 1179 ԹՎ ՌՃՀԹ |
| Assyrian calendar | 6480 |
| Bengali calendar | 1137 |
| Berber calendar | 2680 |
| British Regnal year | 3 Geo. 2 – 4 Geo. 2 |
| Buddhist calendar | 2274 |
| Burmese calendar | 1092 |
| Byzantine calendar | 7238–7239 |
| Chinese calendar | 己酉年 (Earth Rooster) 4426 or 4366 — to — 庚戌年 (Metal Dog) 4427 or 4367 |
| Coptic calendar | 1446–1447 |
| Discordian calendar | 2896 |
| Ethiopian calendar | 1722–1723 |
| Hebrew calendar | 5490–5491 |
| Hindu calendars | |
| - Vikram Samvat | 1786–1787 |
| - Shaka Samvat | 1651–1652 |
| - Kali Yuga | 4830–4831 |
| Holocene calendar | 11730 |
| Igbo calendar | 730–731 |
| Iranian calendar | 1108–1109 |
| Islamic calendar | 1142–1143 |
| Japanese calendar | Kyōhō 15 (享保１５年) |
| Javanese calendar | 1654–1655 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4063 |
| Minguo calendar | 182 before ROC 民前182年 |
| Nanakshahi calendar | 262 |
| Thai solar calendar | 2272–2273 |
The year 1730 BC