If you book your first session (Private) on Monday:
Session Two: Tuesday 4-6pm (GMT)
Session Three: Wednesday 4-6pm (GMT)
Session Four: Thursday 4-6pm (GMT)
If you book your first session (Private) on Friday:
Session Two: Saturday 6-8pm (GMT)
Session Three: Sunday 6-8pm (GMT)
Session Four: Monday 6-8pm (GMT)