The answer depends on which version of the Japan flag you're asking about. The current national flag, officially adopted on August 13, 1999, is approximately 24 years old as of late 2023. However, a similar design was used as a civil ensign from February 27, 1868, making that version roughly 155 years old.
Here's a breakdown:
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Nisshōki/Hinomaru: This is the name of the flag of Japan, which features a crimson disc representing the sun centered on a white field.
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1868 (Civil Ensign): A version of the flag was adopted for use as a civil ensign on February 27, 1868. This is the older version, widely recognized and used for many years prior to the flag's official designation as the national flag.
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1999 (National Flag): The Law Regarding the National Flag and National Anthem officially designated the Nisshōki as the national flag of Japan on August 13, 1999. This law formalized the flag's status and defined its proportions and colors more precisely.
In conclusion, while a flag with a similar design has been in use for over 150 years, the official national flag of Japan as defined by law is about 24 years old.
