| Millennium: | 1st millennium |
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| Centuries: |
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| Decades: |
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| Years: |
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| 540 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 540 DXL |
| Ab urbe condita | 1293 |
| Assyrian calendar | 5290 |
| Balinese saka calendar | 461–462 |
| Bengali calendar | −53 |
| Berber calendar | 1490 |
| Buddhist calendar | 1084 |
| Burmese calendar | −98 |
| Byzantine calendar | 6048–6049 |
| Chinese calendar | 己未年 (Earth Goat) 3237 or 3030 — to — 庚申年 (Metal Monkey) 3238 or 3031 |
| Coptic calendar | 256–257 |
| Discordian calendar | 1706 |
| Ethiopian calendar | 532–533 |
| Hebrew calendar | 4300–4301 |
| Hindu calendars | |
| - Vikram Samvat | 596–597 |
| - Shaka Samvat | 461–462 |
| - Kali Yuga | 3640–3641 |
| Holocene calendar | 10540 |
| Iranian calendar | 82 BP – 81 BP |
| Islamic calendar | 85 BH – 84 BH |
| Javanese calendar | 427–428 |
| Julian calendar | 540 DXL |
| Korean calendar | 2873 |
| Minguo calendar | 1372 before ROC 民前1372年 |
| Nanakshahi calendar | −928 |
| Seleucid era | 851/852 AG |
| Thai solar calendar | 1082–1083 |
| Tibetan calendar | 阴土羊年 (female Earth-Goat) 666 or 285 or −487 — to — 阳金猴年 (male Iron-Monkey) 667 or 286 or −486 |
Year 540 (DXL) was a leap year starting on Sunday of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Iustinus without colleague (or, less frequently, year 1293 Ab urbe condita). The denomination 540 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
