Market Open Marker - NQ

//version=5
indicator("Market Open Marker - NQ", overlay=true)

// Define market open time (New York Time)
nyHour = 8
nyMinute = 0
nyTimezone = "America/New_York"

// Get today's timestamp for 8:00 AM in New York time
nySession = timestamp(nyTimezone, year(time), month(time), dayofmonth(time), nyHour, nyMinute)

// Check if the current bar time matches 8 AM NY time
showMarker = (time >= nySession and time < nySession + 60 * 1000) // Within 1 minute of 8 AM

// Plot vertical line at 8 AM New York Time
if showMarker
line.new(x1=bar_index, y1=high, x2=bar_index, y2=low, width=2, color=color.blue, style=line.style_dashed)