The major scale is a scale of seven different pitch classes with half steps between the third and fourth and the seventh and eight scale degrees and whole steps between all other scale degrees.

C D E F G A B

do re me fa sol la ti

P1 M2 M3 P4 P5 M6 M7

Whole Step-Whole Step-Half Step-Whole Step-Whole Step-Whole Step-Half Step

Same major scale pattern can be duplicated at any pitch.  Below is the scale of G Major.

Whole Step-Whole Step-Half Step-Whole Step-Whole Step-Whole Step-Half Step

G A B C D E F#

do      re        me       fa         sol       la          ti

P1       M2      M3       P4       P5       M6        M7

Image of G Major Scale