2042 (MMXLII) will be a common year starting on Wednesday of the Gregorian calendar, the 2042nd year of the Common Era (CE) and Anno Domini (AD) designations, the 42nd year of the 3rd millennium, the 42nd year of the 21st century, and the 3rd year of the 2040s decade.

Millennium: 3rd millennium
Centuries: 20th century21st century22nd century
Decades: 2010s  2020s  2030s  – 2040s –  2050s  2060s  2070s
Years: 2039 2040 204120422043 2044 2045
2042 in other calendars
Gregorian calendar2042
MMXLII
Ab urbe condita2795
Armenian calendar1491
ԹՎ ՌՆՂԱ
Assyrian calendar6792
Bahá'í calendar198–199
Balinese saka calendar1963–1964
Bengali calendar1449
Berber calendar2992
British Regnal yearN/A
Buddhist calendar2586
Burmese calendar1404
Byzantine calendar7550–7551
Chinese calendar辛酉(Metal Rooster)
4738 or 4678
    — to —
壬戌年 (Water Dog)
4739 or 4679
Coptic calendar1758–1759
Discordian calendar3208
Ethiopian calendar2034–2035
Hebrew calendar5802–5803
Hindu calendars
 - Vikram Samvat2098–2099
 - Shaka Samvat1963–1964
 - Kali Yuga5142–5143
Holocene calendar12042
Igbo calendar1042–1043
Iranian calendar1420–1421
Islamic calendar1464–1465
Japanese calendarReiwa 24
(令和24年)
Javanese calendar1975–1976
Juche calendar131
Julian calendarGregorian minus 13 days
Korean calendar4375
Minguo calendarROC 131
民國131年
Nanakshahi calendar574
Thai solar calendar2585
Tibetan calendar阴金鸡年
(female Iron-Rooster)
2168 or 1787 or 1015
    — to —
阳水狗年
(male Water-Dog)
2169 or 1788 or 1016
Unix time2272147200 – 2303683199

Predicted and scheduled events change

Date unknown change