2021

Millennium:	3rd millennium
Centuries:	20th century 21st century 22nd century
Decades:	2000s 2010s 2020s 2030s 2040s
Years:	2018 2019 2020 2021 2022 2023 2024

2021 in various calendars

Gregorian calendar	2021 MMXXI
Ab urbe condita	2774
Armenian calendar	1470 ԹՎ ՌՆՀ
Assyrian calendar	6771
Baháʼí calendar	177–178
Balinese saka calendar	1942–1943
Bengali calendar	1428
Berber calendar	2971
British Regnal year	69 Eliz. 2 – 70 Eliz. 2
Buddhist calendar	2565
Burmese calendar	1383
Byzantine calendar	7529–7530
Chinese calendar	庚子年 (Metal Rat) 4718 or 4511     — to — 辛丑年 (Metal Ox) 4719 or 4512
Coptic calendar	1737–1738
Discordian calendar	3187
Ethiopian calendar	2013–2014
Hebrew calendar	5781–5782
Hindu calendars
- Vikram Samvat	2077–2078
- Shaka Samvat	1942–1943
- Kali Yuga	5121–5122
Holocene calendar	12021
Igbo calendar	1021–1022
Iranian calendar	1399–1400
Islamic calendar	1442–1443
Japanese calendar	Reiwa 3 (令和３年)
Javanese calendar	1954–1955
Juche calendar	110
Julian calendar	Gregorian minus 13 days
Korean calendar	4354
Minguo calendar	ROC 110 民國110年
Nanakshahi calendar	553
Thai solar calendar	2564
Tibetan calendar	阳金鼠年 (male Iron-Rat) 2147 or 1766 or 994     — to — 阴金牛年 (female Iron-Ox) 2148 or 1767 or 995
Unix time	1609459200 – 1640995199

2021 (MMXXI) will be a common year starting on a Friday in the Gregorian calendar.

Predicted and scheduled events

• December 29 – Hypothetical intelligent life on Gliese 581 d with radio antennas pointed toward Earth would watch the events of September 11, 2001 unfold on live television.

Unknown dates

• Brood X, the largest brood of North American seventeen-year cicadas, will emerge.
• CVN-80, the United States Navy's proposed replacement for the USS Nimitz (CVN-68), to be commissioned.
• Costa Rica has pledged to become a completely carbon-neutral nation by this date. The target date has been set by President Oscar Arias.
• CityRail will commence phasing out its 1970–1977 V-Sets for newer, more modern cars. The new trains are currently unknown.
• Intel scientists predict that the shrinking of microchips roughly every 18 months (Moore's Law) will reach a fundamental limit by 2021. The Semiconductor industry won't be able to shrink transistors much, if at all, beyond the 16 nanometer technology process.

In fiction

Computer and video games

• Shadowrun: On April 30, ten percent of the world's population suddenly transform into new racial types, resulting in the ork and troll races.
• Trauma Center: Under the Knife 2: (2008)

Film

• Moon Zero Two (1969)
• Johnny Mnemonic (1995)
• Click (2006): Michael Newman's father dies.
• Resiklo {2007}

Literature

• In the Terminator novel "New John Connor Chronicles: Dark Futures", Skynet initiates Judgement Day.
• Weapons of Choice by John Birmingham (2004): On January 15, UNPROFLEET, the fleet sailing under the command of Admiral Phillip Kolhammer off the coast of East Timor, disappears, sent back in time to June 2, 1942.
• Set in 2021:
  • The Children of Men by P.D. James (1992)
  • Do Androids Dream of Electric Sheep? by Philip K. Dick (earlier editions set in 1999) (1968)
  • Perfect Dark: Janus' Tears by Eric Trautmann (2007)
  • Perfect Dark: Second Front by Greg Rucka (2007)

Television

• Cowboy Bebop (1999–2000) "The Gate Accident" occurs.
• Sealab 2021 (2000–2005)
• Yu-Gi-Oh! 5D's (2008–Present)

See also

• www.futuretimeline.net