Back 1040 AB 1040 AF 1040 ALS 1040 እ.ኤ.አ. AM 1040 AN 1040 Arabic 1040 ARZ 1040 AST 1040 сон AV 1040 AVK
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 10th century – 11th century – 12th century |
| Decades: | 1010s 1020s 1030s – 1040s – 1050s 1060s 1070s |
| Years: | 1037 1038 1039 – 1040 – 1041 1042 1043 |
| Gregorian calendar | 1040 MXL |
| Ab urbe condita | 1793 |
| Armenian calendar | 489 ԹՎ ՆՁԹ |
| Assyrian calendar | 5790 |
| Balinese saka calendar | 961–962 |
| Bengali calendar | 447 |
| Berber calendar | 1990 |
| English Regnal year | N/A |
| Buddhist calendar | 1584 |
| Burmese calendar | 402 |
| Byzantine calendar | 6548–6549 |
| Chinese calendar | 己卯年 (Earth Rabbit) 3736 or 3676 — to — 庚辰年 (Metal Dragon) 3737 or 3677 |
| Coptic calendar | 756–757 |
| Discordian calendar | 2206 |
| Ethiopian calendar | 1032–1033 |
| Hebrew calendar | 4800–4801 |
| Hindu calendars | |
| - Vikram Samvat | 1096–1097 |
| - Shaka Samvat | 961–962 |
| - Kali Yuga | 4140–4141 |
| Holocene calendar | 11040 |
| Igbo calendar | 40–41 |
| Iranian calendar | 418–419 |
| Islamic calendar | 431–432 |
| Japanese calendar | Chōryaku 4 / Chōkyū 1 (長久元年) |
| Javanese calendar | 943–944 |
| Julian calendar | 1040 MXL |
| Korean calendar | 3373 |
| Minguo calendar | 872 before ROC 民前872年 |
| Nanakshahi calendar | −428 |
| Seleucid era | 1351/1352 AG |
| Thai solar calendar | 1582–1583 |
| Tibetan calendar | 阴土兔年 (female Earth-Rabbit) 1166 or 785 or 13 — to — 阳金龙年 (male Iron-Dragon) 1167 or 786 or 14 |
1040 (MXL) was a leap year starting on Tuesday of the Julian calendar, the 1040th year of the Common Era (CE) and Anno Domini (AD) designations, the 40th year of the 2nd millennium, the 40th year of the 11th century, and the 1st year of the 1040s decade. As of the start of 1040, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.
