| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 973 CMLXXIII |
| Ab urbe condita | 1726 |
| Armenian calendar | 422 ԹՎ ՆԻԲ |
| Assyrian calendar | 5723 |
| Bengali calendar | 380 |
| Berber calendar | 1923 |
| Buddhist calendar | 1517 |
| Burmese calendar | 335 |
| Byzantine calendar | 6481–6482 |
| Chinese calendar |
壬申年 (Water Monkey) 3669 or 3609 — to — 癸酉年 (Water Rooster) 3670 or 3610 |
| Coptic calendar | 689–690 |
| Discordian calendar | 2139 |
| Ethiopian calendar | 965–966 |
| Hebrew calendar | 4733–4734 |
| Hindu calendars | |
| - Vikram Samvat | 1029–1030 |
| - Shaka Samvat | 894–895 |
| - Kali Yuga | 4073–4074 |
| Holocene calendar | 10973 |
| Iranian calendar | 351–352 |
| Islamic calendar | 362–363 |
| Japanese calendar |
Tenroku 4 / Ten'en 1 (天延元年) |
| Javanese calendar | 874–875 |
| Julian calendar | 973 CMLXXIII |
| Korean calendar | 3306 |
| Minguo calendar | 939 before ROC 民前939年 |
| Nanakshahi calendar | −495 |
| Seleucid era | 1284/1285 AG |
| Thai solar calendar | 1515–1516 |
Year 973 (CMLXXIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.