| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 938 CMXXXVIII |
| Ab urbe condita | 1691 |
| Armenian calendar | 387 ԹՎ ՅՁԷ |
| Assyrian calendar | 5688 |
| Bengali calendar | 345 |
| Berber calendar | 1888 |
| Buddhist calendar | 1482 |
| Burmese calendar | 300 |
| Byzantine calendar | 6446–6447 |
| Chinese calendar |
丁酉年 (Fire Rooster) 3634 or 3574 — to — 戊戌年 (Earth Dog) 3635 or 3575 |
| Coptic calendar | 654–655 |
| Discordian calendar | 2104 |
| Ethiopian calendar | 930–931 |
| Hebrew calendar | 4698–4699 |
| Hindu calendars | |
| - Vikram Samvat | 994–995 |
| - Shaka Samvat | 859–860 |
| - Kali Yuga | 4038–4039 |
| Holocene calendar | 10938 |
| Iranian calendar | 316–317 |
| Islamic calendar | 326–327 |
| Japanese calendar |
Jōhei 8 / Tengyō 1 (天慶元年) |
| Javanese calendar | 838–839 |
| Julian calendar | 938 CMXXXVIII |
| Korean calendar | 3271 |
| Minguo calendar | 974 before ROC 民前974年 |
| Nanakshahi calendar | −530 |
| Seleucid era | 1249/1250 AG |
| Thai solar calendar | 1480–1481 |
Year 938 (CMXXXVIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.