PDH / Asia / London Session Rays + Session Markers

Marks highs and lows with horizontal rays for:
1. Asia Session: 18:00 - 3:00
2. London Session: 3:00 - 8:30
3. Previous Day

Marks Sessions with vertical rays at:
- 18:00 (Asia Session start)
- 3:00 (London Session start)
- 8:30 (New York pre-market start)
- 9:30 (New York Session Start)