Sydney session
First forex session of the day. ~22:00 GMT - 07:00 GMT. Lowest volume of the majors.
Quiet conditions. Good for pre-market analysis and planning, rarely for aggressive trading. Price sets a tentative range that London often breaks.
Learn to actually use Sydney session.
Definitions are the easy part. The free first five modules put this on a real chart and make you do the work. No card required.