Trading Sessions - BluePips

What the indicator does
A TradingView Pine Script indicator that overlays trading sessions on intraday charts and tracks session highs/lows.
Main features
Three trading sessions (all times in CST/CDT):
Asian Session: 7:00 PM - 12:00 AM (19:00-00:00)
London Session: 1:00 AM - 6:00 AM (01:00-06:00)
New York Session: 7:00 AM - 1:00 PM (07:00-13:00)
Visual elements (toggleable):
Colored boxes: highlight each active session
Session labels: show session name, price range, and average price
Open/Close lines: dashed lines at session open and close prices
Average price line: dotted line showing the average price during the session
High/Low lines: solid lines showing the session high and low
High/Low labels: "AH" (Asian High), "AL" (Asian Low), "LH" (London High), "LL" (London Low), "NH" (New York High), "NL" (New York Low)
Behavior:
During a session: box expands, lines extend, high/low update in real time
After a session ends: box and open/close lines are removed; high/low lines remain visible as reference levels
Daily reset: all elements are cleaned up at the start of each new day
Use cases
Identify session boundaries and overlaps
Track session highs/lows as support/resistance
Analyze price action during specific trading hours
Monitor session ranges and averages
Technical details
Works only on intraday timeframes (errors on daily/weekly/monthly)
Handles daylight saving time automatically via IANA timezones
Properly cleans up visual elements to prevent memory leaks
All times are in Central Standard Time (CST/CDT)
Useful for traders who want to see session-based price levels and ranges directly on their charts.