| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 677 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 677 DCLXXVII |
| Ab urbe condita | 1430 |
| Armenian calendar | 126 ԹՎ ՃԻԶ |
| Assyrian calendar | 5427 |
| Balinese saka calendar | 598–599 |
| Bengali calendar | 84 |
| Berber calendar | 1627 |
| Buddhist calendar | 1221 |
| Burmese calendar | 39 |
| Byzantine calendar | 6185–6186 |
| Chinese calendar | 丙子年 (Fire Rat) 3374 or 3167 — to — 丁丑年 (Fire Ox) 3375 or 3168 |
| Coptic calendar | 393–394 |
| Discordian calendar | 1843 |
| Ethiopian calendar | 669–670 |
| Hebrew calendar | 4437–4438 |
| Hindu calendars | |
| - Vikram Samvat | 733–734 |
| - Shaka Samvat | 598–599 |
| - Kali Yuga | 3777–3778 |
| Holocene calendar | 10677 |
| Iranian calendar | 55–56 |
| Islamic calendar | 57–58 |
| Japanese calendar | Hakuchi 28 (白雉２８年) |
| Javanese calendar | 569–570 |
| Julian calendar | 677 DCLXXVII |
| Korean calendar | 3010 |
| Minguo calendar | 1235 before ROC 民前1235年 |
| Nanakshahi calendar | −791 |
| Seleucid era | 988/989 AG |
| Thai solar calendar | 1219–1220 |
| Tibetan calendar | 阳火鼠年 (male Fire-Rat) 803 or 422 or −350 — to — 阴火牛年 (female Fire-Ox) 804 or 423 or −349 |
Year 677 (DCLXXVII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 677 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.