| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 988 CMLXXXVIII |
| Ab urbe condita | 1741 |
| Armenian calendar | 437 ԹՎ ՆԼԷ |
| Assyrian calendar | 5738 |
| Bengali calendar | 395 |
| Berber calendar | 1938 |
| Buddhist calendar | 1532 |
| Burmese calendar | 350 |
| Byzantine calendar | 6496–6497 |
| Chinese calendar |
丁亥年 (Fire Pig) 3684 or 3624 — to — 戊子年 (Earth Rat) 3685 or 3625 |
| Coptic calendar | 704–705 |
| Discordian calendar | 2154 |
| Ethiopian calendar | 980–981 |
| Hebrew calendar | 4748–4749 |
| Hindu calendars | |
| - Vikram Samvat | 1044–1045 |
| - Shaka Samvat | 909–910 |
| - Kali Yuga | 4088–4089 |
| Holocene calendar | 10988 |
| Iranian calendar | 366–367 |
| Islamic calendar | 377–378 |
| Japanese calendar |
Eien 2 / Eiso 1 (永祚元年) |
| Javanese calendar | 889–890 |
| Julian calendar | 988 CMLXXXVIII |
| Korean calendar | 3321 |
| Minguo calendar | 924 before ROC 民前924年 |
| Nanakshahi calendar | −480 |
| Seleucid era | 1299/1300 AG |
| Thai solar calendar | 1530–1531 |
Year 988 (CMLXXXVIII) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar.