| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| AD 777 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 777 DCCLXXVII |
| Ab urbe condita | 1530 |
| Armenian calendar | 226 ԹՎ ՄԻԶ |
| Assyrian calendar | 5527 |
| Balinese saka calendar | 698–699 |
| Bengali calendar | 184 |
| Berber calendar | 1727 |
| Buddhist calendar | 1321 |
| Burmese calendar | 139 |
| Byzantine calendar | 6285–6286 |
| Chinese calendar | 丙辰年 (Fire Dragon) 3474 or 3267 — to — 丁巳年 (Fire Snake) 3475 or 3268 |
| Coptic calendar | 493–494 |
| Discordian calendar | 1943 |
| Ethiopian calendar | 769–770 |
| Hebrew calendar | 4537–4538 |
| Hindu calendars | |
| - Vikram Samvat | 833–834 |
| - Shaka Samvat | 698–699 |
| - Kali Yuga | 3877–3878 |
| Holocene calendar | 10777 |
| Iranian calendar | 155–156 |
| Islamic calendar | 160–161 |
| Japanese calendar | Hōki 8 (宝亀８年) |
| Javanese calendar | 672–673 |
| Julian calendar | 777 DCCLXXVII |
| Korean calendar | 3110 |
| Minguo calendar | 1135 before ROC 民前1135年 |
| Nanakshahi calendar | −691 |
| Seleucid era | 1088/1089 AG |
| Thai solar calendar | 1319–1320 |
| Tibetan calendar | 阳火龙年 (male Fire-Dragon) 903 or 522 or −250 — to — 阴火蛇年 (female Fire-Snake) 904 or 523 or −249 |
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Year 777 (DCCLXXVII) was a common year starting on Wednesday of the Julian calendar, the 777th year of the Common Era (CE) and Anno Domini (AD) designations, the 777th year of the 1st millennium, the 77th year of the 8th century, and the 8th year of the 770s decade. The denomination 777 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.