The musical interval of a ditone is literally two tones, whole tones or major seconds, often called a major third. In contrast to a major third, ideally a just 4:5 or 4 equally tempered semitones, however, a ditone is ideally a pythagorean 64:81 = 1.2656 = 1.125² = 9:8^{2, two 9:8 whole tones.}

Contrast with: Major third, Ditonus, two major seconds or whole tones

External links

• Tonalsoft Encyclopaedia of Tuning