| Millennium: | 1st Millennium |
|---|---|
| Centuries: | 1st cent. – 2nd cent. – 3rd cent. |
| Decades: | 110s 120s 130s – 140s – 150s 160s 170s |
| Years: | 139 140 141 – 142 – 143 144 145 |
| Gregorian calendar | 142 CXLII |
| Ab urbe condita | 895 |
| Assyrian calendar | 4892 |
| Bengali calendar | −451 |
| Berber calendar | 1092 |
| Buddhist calendar | 686 |
| Burmese calendar | −496 |
| Byzantine calendar | 5650–5651 |
| Chinese calendar | 辛巳年 (Metal Snake) 2838 or 2778 — to — 壬午年 (Water Horse) 2839 or 2779 |
| Coptic calendar | −142 – −141 |
| Discordian calendar | 1308 |
| Ethiopian calendar | 134–135 |
| Hebrew calendar | 3902–3903 |
| Hindu calendars | |
| - Vikram Samvat | 198–199 |
| - Shaka Samvat | 63–64 |
| - Kali Yuga | 3242–3243 |
| Holocene calendar | 10142 |
| Iranian calendar | 480 BP – 479 BP |
| Islamic calendar | 495 BH – 494 BH |
| Javanese calendar | 17–18 |
| Julian calendar | 142 CXLII |
| Korean calendar | 2475 |
| Minguo calendar | 1770 before ROC 民前1770年 |
| Nanakshahi calendar | −1326 |
| Seleucid era | 453/454 AG |
| Thai solar calendar | 684–685 |
The year 142 BC