13 ms·

There's no sharp/flat note between B and C - "B sharp" would be C.

• piotrkaminski 4y ago
  Indeed -- curse you, irregular standard note structure!
  • lloeki 4y ago
    mnemonic: C D E F G A B [C] is do re mi fa sol la si [do] mi (E) and si (B) end with "i" and are the two ones that are half a step away from the next ones.
    • viraptor 4y ago
      Only in "fixed do" version though, because we can't make music notation too easy or consistent...