| Years |
|---|
| Millennium |
| 2nd millennium |
| Centuries |
| Decades |
| Years |
| Gregorian calendar | 1342 MCCCXLII |
| Ab urbe condita | 2095 |
| Armenian calendar | 791 ԹՎ ՉՂԱ |
| Assyrian calendar | 6092 |
| Balinese saka calendar | 1263–1264 |
| Bengali calendar | 749 |
| Berber calendar | 2292 |
| English Regnal year | 15 Edw. 3 – 16 Edw. 3 |
| Buddhist calendar | 1886 |
| Burmese calendar | 704 |
| Byzantine calendar | 6850–6851 |
| Chinese calendar | 辛巳年 (Metal Snake) 4038 or 3978 — to — 壬午年 (Water Horse) 4039 or 3979 |
| Coptic calendar | 1058–1059 |
| Discordian calendar | 2508 |
| Ethiopian calendar | 1334–1335 |
| Hebrew calendar | 5102–5103 |
| Hindu calendars | |
| - Vikram Samvat | 1398–1399 |
| - Shaka Samvat | 1263–1264 |
| - Kali Yuga | 4442–4443 |
| Holocene calendar | 11342 |
| Igbo calendar | 342–343 |
| Iranian calendar | 720–721 |
| Islamic calendar | 742–743 |
| Japanese calendar | Ryakuō 5 / Kōei 1 (康永元年) |
| Javanese calendar | 1254–1255 |
| Julian calendar | 1342 MCCCXLII |
| Korean calendar | 3675 |
| Minguo calendar | 570 before ROC 民前570年 |
| Nanakshahi calendar | −126 |
| Thai solar calendar | 1884–1885 |
| Tibetan calendar | ལྕགས་མོ་སྦྲུལ་ལོ་ (female Iron-Snake) 1468 or 1087 or 315 — to — ཆུ་ཕོ་རྟ་ལོ་ (male Water-Horse) 1469 or 1088 or 316 |
1342 (MCCCXLII) was a common year starting on Tuesday of the Julian calendar, the 1342nd year of the Common Era (CE) and Anno Domini (AD) designations, the 342nd year of the 2nd millennium, the 42nd year of the 14th century, and the 3rd year of the 1340s decade. As of the start of 1342, the Gregorian calendar was 8 days ahead of the Julian calendar, which was the dominant calendar of the time.