Harmony of the square of nine works on any conditions regardless of whether you are trading on H4, H1 or W1 time frames.
If you scale your tool properly, the effects will be extremely surprising. When scaling a harmonic series from the square of nine located on diagonals or on the cross, the most important thing is to accurately position the first top or bottom on the first harmonic line. If you do it right, then all the resources of this world will belong to you.
Details can be found in the video below.