Understanding the Japanese calendar (through martial arts)
Check Your Martial Arts Certificates
Background
Back in October 2023 I passed my 4th dan in iaidō with the All Japan Kendo Federation. It took a while for the certificate to arrive (it finally arriving in January 2024). For my readers who have not seen a certificate of rank in Japanese before, you can see mine below (note that I redacted my family name on the right):
Basically the certificat…
