| Millennium: | 2nd millennium |
|---|---|
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| Decades: | |
| Years: |
| 1727 by topic |
|---|
| Arts and science |
| Countries |
| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
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| Gregorian calendar | 1727 MDCCXXVII |
| Ab urbe condita | 2480 |
| Armenian calendar | 1176 ԹՎ ՌՃՀԶ |
| Assyrian calendar | 6477 |
| Balinese saka calendar | 1648–1649 |
| Bengali calendar | 1134 |
| Berber calendar | 2677 |
| British Regnal year | 13 Geo. 1 – 1 Geo. 2 |
| Buddhist calendar | 2271 |
| Burmese calendar | 1089 |
| Byzantine calendar | 7235–7236 |
| Chinese calendar | 丙午年 (Fire Horse) 4424 or 4217 — to — 丁未年 (Fire Goat) 4425 or 4218 |
| Coptic calendar | 1443–1444 |
| Discordian calendar | 2893 |
| Ethiopian calendar | 1719–1720 |
| Hebrew calendar | 5487–5488 |
| Hindu calendars | |
| - Vikram Samvat | 1783–1784 |
| - Shaka Samvat | 1648–1649 |
| - Kali Yuga | 4827–4828 |
| Holocene calendar | 11727 |
| Igbo calendar | 727–728 |
| Iranian calendar | 1105–1106 |
| Islamic calendar | 1139–1140 |
| Japanese calendar | Kyōhō 12 (享保１２年) |
| Javanese calendar | 1651–1652 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4060 |
| Minguo calendar | 185 before ROC 民前185年 |
| Nanakshahi calendar | 259 |
| Thai solar calendar | 2269–2270 |
| Tibetan calendar | 阳火马年 (male Fire-Horse) 1853 or 1472 or 700 — to — 阴火羊年 (female Fire-Goat) 1854 or 1473 or 701 |
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1727 (MDCCXXVII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1727th year of the Common Era (CE) and Anno Domini (AD) designations, the 727th year of the 2nd millennium, the 27th year of the 18th century, and the 8th year of the 1720s decade. As of the start of 1727, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.