🕰️ MT5 Session Mapper - Forex Market Hours Visualizer

Transform your MetaTrader 5 experience with crystal-clear session mapping.
No more guessing when London opens or Tokyo closes — see market hours visualized directly on your charts.

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📋 Table of Contents

• Why Session Mapper?
• Core Visual Architecture
• Installation & Setup
• Profile Configuration Examples
• Console Invocation Examples
• OS Compatibility
• Feature Matrix
• Multilingual Support
• API Integration (OpenAI & Claude)
• Responsive UI Architecture
• 24/7 Support Framework
• Mermaid Data Flow Diagram
• Disclaimer & Risk Notice
• License

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🌟 Why Session Mapper?

In the chaotic ocean of forex trading, market sessions are your lighthouses. Without knowing when the major financial hubs pulse with activity, you're navigating blind. MT5 Session Mapper doesn't just show you time zones — it paints a living, breathing map of global liquidity.

Think of it as your personal cartographer for the currency markets. Where others see a flat timeline, you'll see the rhythmic heartbeat of London, New York, Tokyo, and Sydney — all color-coded and layered directly onto your trading charts.

The value proposition is simple: when you can see session overlaps, you can plan entries with surgical precision. The Asian-European overlap, the London-New York crossover — these are the golden hours where volatility sings. This indicator makes them visible at a glance.

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🏗️ Core Visual Architecture

The indicator operates on a multi-layered rendering engine that respects MT5's drawing pipeline while adding zero latency overhead:

• Session Blocks – Semi-transparent rectangular zones spanning each session's duration
• Overlap Highlighting – Automatic detection and emphasis of session confluences
• Time Axis Markers – Subtle vertical lines at session start/end boundaries
• Tooltip Hover – Show session name, remaining time, and volume proxy on mouseover
• Custom Palette – 12 preset color themes plus full RGB customization

Each session block is rendered using vector-based drawing primitives that scale cleanly across all timeframes — from 1-minute scalping charts to weekly swing setups.

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⚙️ Installation & Setup

Prerequisites

• MetaTrader 5 build 4500+ (2026 compatible)
• Windows 10/11, macOS (via Wine/Crossover), or Linux (via Wine 9.0+)
• Minimum 512MB RAM (1GB recommended for multi-chart instances)

Installation Steps

1. 📥 Download the indicator file via the badge below
2. Copy SessionMapper.ex5 into your MQL5/Indicators/ folder
3. Restart MT5 or refresh the Navigator panel
4. Drag the indicator onto any chart
5. Adjust settings via the Inputs tab (see example configurations)

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📝 Profile Configuration Examples

Example 1: Default Profile (Universal Use)

[SessionMapper]
SessionLondon=07:00-16:00 GMT
SessionNewYork=12:00-21:00 GMT
SessionTokyo=00:00-09:00 GMT
SessionSydney=21:00-06:00 GMT
Opacity=0.25
BorderWidth=1
ShowOverlaps=true
ColorScheme=Neon

Example 2: Scalper Profile (1-Minute Charts)

[SessionMapper]
SessionLondon=07:00-16:00 GMT
SessionNewYork=12:00-21:00 GMT
SessionTokyo=00:00-09:00 GMT
Opacity=0.12
BorderWidth=1
ShowOverlaps=true
OverlapColor=#FF6B35
TimeframeFilter=M1,M5,M15
VolumeBars=true

Example 3: Swing Trader Profile (Daily Charts)

[SessionMapper]
AllSessions=true
Opacity=0.08
BorderWidth=2
ShowOverlaps=true
SessionLabels=true
WeekendFilter=true
TimezoneOffset=+8 (SGT)

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⌨️ Console Invocation Examples

For advanced users who prefer terminal control:

# Launch with custom profile
mt5 --indicator "SessionMapper" --profile "scalper.ini" --symbol EURUSD

# Multi-chart batch instance
mt5 --batch "EURUSD,M1;GBPUSD,M5;USDJPY,H1" --indicator "SessionMapper" --profile "swing.ini"

# Quick session overlay toggle
mt5 --indicator "SessionMapper" --params "SessionLondon=06:00-15:00 GMT,Opacity=0.3"

# Remote server deployment (headless mode)
mt5 --headless --indicator "SessionMapper" --profile "server_default.ini" --output /var/log/sessions.csv

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💻 OS Compatibility

Operating System	Version	Status	Notes
🪟 Windows 10	Pro/Home 22H2+	✅ Fully supported	Native MT5
🪟 Windows 11	23H2+ 24H2	✅ Fully supported	Native MT5
🍎 macOS	Ventura 13+	✅ Running via Wine 9.0	Use --wine flag
🐧 Ubuntu	22.04 LTS+	✅ Running via Wine	All features work
🐧 Fedora	38+	✅ Running via Wine	May need dxvk
📱 iOS	N/A	❌ Not supported	No MT5 available
🤖 Android	N/A	❌ Not supported	Use MT5 mobile app alternative

All tests performed on 2026 Q1 builds. OS support confirmed as of March 2026.

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✨ Feature Matrix

Feature	Description	Status
🎨 12 Color Themes	From "Ocean Depths" to "Neon Storm"	✅ Release 1.0
🔄 Auto Timezone Detection	Reads system or MT5 server time	✅ Release 1.0
⏰ Session Overlap Alerts	Visual highlight + optional sound	✅ Release 1.0
📊 Volume Layer Integration	Overlay volume bars per session	✅ Release 1.1
🌐 Multi-Chart Sync	One config applies across all open charts	✅ Release 1.2
🧩 Custom Timeframes	Define arbitrary session blocks	✅ Release 1.3
🚫 Holiday Calendar	Auto-hide sessions on major holidays	🔄 Beta 2026
📈 Volatility Heatmap	Color intensity reflects historical vol	🔄 Beta 2026

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🌍 Multilingual Support

The interface automatically adapts to your MT5 locale. Currently supported languages (2026):

Language	Locale Code	UI Translated	Documentation
English	en	✅	✅ Full
中文 (Chinese)	zh	✅	✅ Full
日本語 (Japanese)	ja	✅	✅ Full
한국어 (Korean)	ko	✅	✅ Full
Español	es	✅	✅ Full
Français	fr	✅	✅ Full
Deutsch	de	✅	✅ Full
Русский	Russian	✅	✅ Full
العربية	Arabic	⚠️ RTL support	✅ Full
Português	pt	✅	✅ Full

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🔌 API Integration (OpenAI & Claude)

For algorithmic traders who want AI-enhanced session analysis, MT5 Session Mapper offers optional API bridges:

OpenAI Integration

import openai
from session_mapper import SessionMapperAPI

mapper = SessionMapperAPI()
session_data = mapper.get_current_sessions("EURUSD", timeframe="H1")

response = openai.ChatCompletion.create(
    model="gpt-4-turbo-2026",
    messages=[{
        "role": "user",
        "content": f"Analyze these session overlaps for volatility: {session_data}"
    }]
)

Claude API Integration

import anthropic
from session_mapper import SessionMapperAPI

client = anthropic.Anthropic(api_key="sk-ant-...")
mapper = SessionMapperAPI()
overlaps = mapper.get_active_overlaps("GBPUSD")

message = client.messages.create(
    model="claude-3-opus-2026",
    max_tokens=500,
    messages=[{
        "role": "user",
        "content": f"Given this overlap data: {overlaps}, suggest entry zones"
    }]
)

Why integrate AI? Traditional session mapping tells you when markets move. AI integration tells you how they might move based on historical patterns. It's like having a quantitative analyst whispering insights into your ear — without the $200k/year salary.

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📱 Responsive UI Architecture

The indicator adapts its rendering to your screen estate:

Screen Size	Behavior
>2560px (4K)	Full detail mode — all labels, borders, tooltips
1920-2560px	Standard mode — labels collapse on zoom-out
1366-1919px	Compact mode — label text fades, icons remain
<1366px	Minimal mode — session blocks only, no labels
Mobile (via RDP)	Automatic font scaling ×0.7 with touch targets

The responsive engine uses viewport queries rather than fixed breakpoints, ensuring your mosaic of trading windows always renders legibly — whether you're on a triple-monitor war room or a 13-inch ultrabook at a café.

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🛟 24/7 Support Framework

Because markets never sleep, neither does our support infrastructure:

Channel	Availability	Response Time
💬 In-App Chat	24/7/365	<3 minutes
📧 Email	24/7	<1 hour
🎥 Video Tutorials	On-demand	N/A
📚 Wiki Documentation	Self-serve	N/A
🤝 Community Forum	Peer-to-peer	Usually <10 min

Escalation path: Chat → Email → Senior Developer (within 2 hours for critical issues).

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🔄 Mermaid Data Flow Diagram

graph TD
    A[User Input: Timezone/Profile] --> B[Configuration Parser]
    B --> C{Validate Parameters}
    C -->|Pass| D[Session Calculator]
    C -->|Fail| E[Error Handler]
    D --> F[Render Engine]
    F --> G[MT5 Drawing API]
    G --> H[Chart Display]
    
    I[System Clock] --> J[Real-time Sync]
    J --> D
    
    K[API Bridge] --> L[OpenAI/Claude]
    L --> M[AI Analysis]
    M --> N[Recommendations]
    N --> H
    
    O[Multi-chart Sync] --> P[Shared State]
    P --> F

Loading

The data flows in a unidirectional loop: configuration → calculation → rendering → refinement. The AI integration layer sits orthogonal to the main pipeline, pulling session data for external analysis without blocking the core rendering thread.

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⚠️ Disclaimer & Risk Notice

IMPORTANT LEGAL NOTICE
This software is provided for educational and informational purposes only. Trading foreign exchange on margin carries a high level of risk and may not be suitable for all investors. The high degree of leverage can work against you as well as for you. Before deciding to trade foreign exchange, you should carefully consider your investment objectives, level of experience, and risk appetite.

Past performance does not guarantee future results. Session mapping indicators — including this one — are analytical tools, not profit guarantees. They help you see when markets tend to be active, but they cannot predict specific price movements, news events, or black swan occurrences.

No financial advice is implied or given by the creators of MT5 Session Mapper. Always consult a qualified financial advisor before making trading decisions.

Data accuracy depends on your broker's server time and your system clock. The indicator uses GMT-based calculations unless overridden. Discrepancies of ±1 minute may occur due to network latency.

By downloading and using this software, you acknowledge these risks and agree that the developers bear no liability for any financial losses incurred.

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📄 License

This project is licensed under the MIT License — see the LICENSE file for details.

MIT License

Copyright (c) 2026 MT5 Session Mapper

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files...

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Turn time into territory. Map your sessions. 🗺️