2040 (MMXL) will be a leap year starting on Sunday of the Gregorian calendar, the 2040th year of the Common Era (CE) and Anno Domini (AD) designations, the 40th year of the 3rd millennium, the 40th year of the 21st century, and the 1st year of the 2040s decade.

Millennium: 3rd millennium
Centuries: 20th century21st century22nd century
Decades: 2010s  2020s  2030s  – 2040s –  2050s  2060s  2070s
Years: 2037 2038 203920402041 2042 2043

Predicted events change

February change

May change

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Unknown Dates change

  • Climatologists predict that sometime in 2040 the Arctic Ocean will be free of ice, at least during the autumn. (News reports, December 2006).

Fictional events change