8th Kyu to 6th Kyu - Grading may be taken at three monthly intervals.
5th Kyu to 3rd Kyu - Grading may be taken at four monthly intervals
2nd Kyu & 1st Kyu - Grading may be taken at six monthly intervals.
1st Kyu to Shodan - A candidate must hold
the grade of 1st Kyu for one full
year before applying for Shodan.
Shodan to Nidan - Minimum of two years.
Nidan to Sandan - Minimum of three years.
Sandan to Yondan - Minimum of four years.
Yondan to Godan - Minimum of five years.
Godan to Rokudan - Minimum six years
The chart simply illustrates the grades obtainable at tests. An attendance rate of 70% is a minimum eligibility requirement for tests. Dan and Kyu grades are not themselves the object - they are a guide to progress only.