| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 742 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 742 DCCXLII |
| Ab urbe condita | 1495 |
| Armenian calendar | 191 ԹՎ ՃՂԱ |
| Assyrian calendar | 5492 |
| Balinese saka calendar | 663–664 |
| Bengali calendar | 149 |
| Berber calendar | 1692 |
| Buddhist calendar | 1286 |
| Burmese calendar | 104 |
| Byzantine calendar | 6250–6251 |
| Chinese calendar | 辛巳年 (Metal Snake) 3439 or 3232 — to — 壬午年 (Water Horse) 3440 or 3233 |
| Coptic calendar | 458–459 |
| Discordian calendar | 1908 |
| Ethiopian calendar | 734–735 |
| Hebrew calendar | 4502–4503 |
| Hindu calendars | |
| - Vikram Samvat | 798–799 |
| - Shaka Samvat | 663–664 |
| - Kali Yuga | 3842–3843 |
| Holocene calendar | 10742 |
| Iranian calendar | 120–121 |
| Islamic calendar | 124–125 |
| Japanese calendar | Tenpyō 14 (天平１４年) |
| Javanese calendar | 636–637 |
| Julian calendar | 742 DCCXLII |
| Korean calendar | 3075 |
| Minguo calendar | 1170 before ROC 民前1170年 |
| Nanakshahi calendar | −726 |
| Seleucid era | 1053/1054 AG |
| Thai solar calendar | 1284–1285 |
| Tibetan calendar | 阴金蛇年 (female Iron-Snake) 868 or 487 or −285 — to — 阳水马年 (male Water-Horse) 869 or 488 or −284 |
Year 742 (DCCXLII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar, the 742nd year of the Common Era (CE) and Anno Domini (AD) designations, the 742nd year of the 1st millennium, the 42nd year of the 8th century, and the 3rd year of the 740s decade. The denomination 742 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.