Interval · 12-23 Half Steps

HS = Half Steps
12 HS
Perfect Octave (8)

13 HS
Minor Ninth (b9)
Augmented Octave (#8)

14 HS
Major Ninth (9)

15 HS
Augmented Ninth (#9)
Minor Tenth (b10 = 8 + b3)

16 HS
Major Tenth (10 = 8 + 3)
Diminished Eleventh (b11)

17 HS
Perfect Eleventh (11)

18 HS
Augmented Eleventh (#11)
Diminished Twelfth (b12 = 8 + b5)

19 HS
Perfect Twelfth (12 = 8 + 5)

20 HS
Minor Thirteenth (b13)
Augmented Twelfth (#12 = 8 + #5)

21 HS
Major Thirteenth (13)

22 HS
Minor Fourteenth (b14 = 8 + b7)
Augmented Thirteenth (#13 = 8 + #6)

23 HS
Major Fourteenth (14 = 8 + j7)
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