Script Purpose This indicator draws a colored background during the New York trading session. It's useful for traders who want to have a visual overview of when the American (NY) trading session is active. Main Features NY Session Visualization - draws a gray bar in the background of the chart during NY trading hours (15:00-19:00 CET) Customization - allows users to: Set custom session time range Adjust background color and transparency Limit display to only the last 24 hours Input Parameters sessionRange - session time range (default 15:00-19:00 CET) sessionColour - background color (default gray with 90% transparency) onlyLast24Hours - toggle for showing only the last 24 hours (default false) Technical Details Script is written in Pine Script version 5 Uses UNIX timestamp for time period calculations Runs as an overlay indicator (overlay=true), meaning it displays directly on the price chart Uses the bgcolor() function for background rendering Contains logic to check if current time is within defined session Usage This indicator is useful for: Monitoring active NY trading session hours Planning trades during the most liquid hours of the US market Visual orientation in the chart during different trading sessions