C Half-Whole Diminished Scale

C – Db – Eb – E – Gb – G – A – Bb – C

Formula:H-W-H-W-H-W-H-W

Intervals:P1-m2-m3-M3-d5-P5-M6-m7

C Half-Whole Diminished Scale Notes

Degree	Name	Note	Interval
1	Tonic	C4	P1
2	Supertonic	Db4	m2
3	Mediant	Eb4	m3
4	Subdominant	E4	M3
5	Dominant	Gb4	d5
6	Submediant	G4	P5
7	Leading Tone	A4	M6
8	Octave	Bb4	m7
9	Degree 9	C5	—

The key of C Half-Whole Diminished Scale has No sharps or flats.

These are the diatonic triads built on each degree of the C Half-Whole Diminished Scale:

Degree	Numeral	Chord	Quality
1	I	C Major	Major
2	ii	D Minor	Minor
3	iii	E Minor	Minor
4	IV	F Major	Major
5	V	G Major	Major
6	vi	A Minor	Minor
7	vii°	B Diminished	Diminished