Reiwa 663 (令和663) — 2681 AD
Western Gregorian year
2681
history Reiwa 663 (令和663)
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Year 1 of an era is often referred to as "Gannen" (元年) in historical documents.
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Overlapping years
Transition years contain months from two different eras (e.g. 1989 = Shōwa 64 / Heisei 1).
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Historical context
The Japanese era system (gengō) has been used since the 7th century — one of the longest continuously used reign-name systems in the world.
Historical context
The Japanese era system (gengō) has been used since the 7th century — one of the longest continuously used reign-name systems in the world.
Photo: DXR · CC BY-SA 4.0