Septimal diatonic semitone

Major diatonic semitone

Inverse	major seventh
Name
Other names	Septimal diatonic semitone
Abbreviation
Size
Semitones	1
Interval class	1
Just interval	15:14
Cents
Equal temperament	100
24 equal temperament	100
Just intonation	119.44

Major diatonic semitone on C  Play .

Major diatonic semitone on C.

In music, a major diatonic semitone or septimal diatonic semitone is the interval 15:14  Play . It is about 119.44 cents. The major diatonic semitone may be derived from the harmonic series as the interval between the fourteenth and fifteenth harmonics.

The major diatonic semitone equals a just diatonic semitone  Play  (16:15, or 111.73 cents) plus a septimal kleisma (the interval 225:224, or 7.71 cents).

See also minor diatonic semitone (or septendecimal diatonic semitone, 17:16).