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Interval information
Ratio 1225/1224
Monzo [-3 -2 2 2 0 0 -1
Size in cents 1.41383
Name(s) noellisma
Color name 17uzzyy1, subizoyo unison
open this interval in xen-calc

1225/1224, the noellisma, is a 17-limit (also subgroup) comma measuring about 1.41 cents. It is the difference between 35/34 and 36/35, and between 49/48 and 51/50.

In terms of commas, it is the difference between the following pairs:

It factors into the following pairs:

The name derives from Noel, for the numerator or the denominator, when written in decimal system, is reminiscent of the date of Christmas.


Tempering out this comma results in 18/17 being split into two equal parts, each representing 35/34~36/35.

See also