Integrated Session Markers & MTF Time Blocks (4H/1H)

Overview
This indicator provides a comprehensive visual guide to market structure by integrating key session opening signals with multi-timeframe (MTF) background shading. It is designed to help traders quickly identify market open volatility and the progression of 4-hour and 1-hour time cycles.

Key Features
Session Open Markers (Labels): * Automatically marks the start of major trading sessions: SEO (Seoul/Asia), LDN (London/Europe), and NY (New York).

The London (LDN) session is specifically calibrated to 17:00 KST (08:00 UTC).

Labels can be toggled between the Top or Bottom of the chart for better visibility.

4-Hour Time Blocks (Macro View): Alternating background colors every 4 hours to help you track H4 candle rotations visually.

1-Hour Time Blocks (Micro View): Subtle background shading every 1 hour to define short-term intraday structures.

How to Use
Identify Session Volatility: Watch for the "SEO", "LDN", or "NY" labels to anticipate potential breakouts or reversals during session opens.

Visual Time Management: Use the 4H/1H background grids to keep track of time without constantly checking the clock.

Customization: You can easily change the colors of the background blocks and session labels in the settings to match your chart theme (Light/Dark mode).

⚙️ Settings Guide (Input Parameters)
4H Block Color A/B: Set the colors for the 4-hour background rotation.

1H Block Color C/D: Set the colors for the 1-hour background rotation.

Label Position: Choose between "Top" or "Bottom".

Signal Colors: Individual color settings for SEO, LDN, and NY session labels.