When was the flag of Japan adopted?

The current flag was adopted on 13 August 1999.

Which flags look similar to Japan's?

Commonly confused with BD, PW. See the similar-flags rail below.

Tap a colour to see every flag in the GeoPie library that uses it.

GeoPie

Colour proportions turned into a pie chart — the puzzle shape you'd see in-game.

GeoBlend

#e8b4b8

The red disc represents the sun, a nod to Japan's name Nihon meaning "origin of the sun".

By law the flag must be made of khadi — no wait, that's India. Japan's flag ratio is fixed at 2:3 with the red disc slightly off-centre historically.

Bangladesh

Palau

Japan sits in Asia — Eastern Asia. Its capital is Tokyo.

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What are the colours on the flag of Japan?: Japan's flag uses white, red. The red disc represents the sun, a nod to Japan's name Nihon meaning "origin of the sun".
When was the flag of Japan adopted?: The current flag was adopted on 13 August 1999.
What is the capital of Japan?: The capital is Tokyo.
Which flags look similar to Japan's?: Commonly confused with BD, PW. See the similar-flags rail below.