| Millennium: | 2nd Millennium |
|---|---|
| Centuries: | 19th cent. – 20th cent. – 21st cent. |
| Decades: | 1940s 1950s 1960s – 1970s – 1980s 1990s 2000s |
| Years: | 1974 1975 1976 – 1977 – 1978 1979 1980 |
| Gregorian calendar | 1977 MCMLXXVII |
| Ab urbe condita | 2730 |
| Armenian calendar | 1426 ԹՎ ՌՆԻԶ |
| Assyrian calendar | 6727 |
| Bahá'í calendar | 133–134 |
| Bengali calendar | 1384 |
| Berber calendar | 2927 |
| British Regnal year | 25 Eliz. 2 – 26 Eliz. 2 |
| Buddhist calendar | 2521 |
| Burmese calendar | 1339 |
| Byzantine calendar | 7485–7486 |
| Chinese calendar | 丙辰年 (Fire Dragon) 4673 or 4613 — to — 丁巳年 (Fire Snake) 4674 or 4614 |
| Coptic calendar | 1693–1694 |
| Discordian calendar | 3143 |
| Ethiopian calendar | 1969–1970 |
| Hebrew calendar | 5737–5738 |
| Hindu calendars | |
| - Vikram Samvat | 2033–2034 |
| - Shaka Samvat | 1898–1899 |
| - Kali Yuga | 5077–5078 |
| Holocene calendar | 11977 |
| Igbo calendar | 977–978 |
| Iranian calendar | 1355–1356 |
| Islamic calendar | 1397–1398 |
| Japanese calendar | Shōwa 52 (昭和５２年) |
| Javanese calendar | 1908–1909 |
| Juche calendar | 66 |
| Julian calendar | Gregorian minus 13 days |
| Korean calendar | 4310 |
| Minguo calendar | ROC 66 民國66年 |
| Nanakshahi calendar | 509 |
| Thai solar calendar | 2520 |
| Unix time | 220924800–252460799 |
The year 1977 BC
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