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Prayer Time Scheduler Logo - Forward Thinking Designs

Precise scheduling and playback for calls to prayer

Prayer Time Scheduler is an audio playback scheduling plugin for QSC Q-SYS designed to play Islamic calls to prayer.

This plugin offers venue operators the ability to easily add daily calls to prayer at the precise correct time, according to the official schedule.

A built-in audio player and additional event triggers make Prayer Time Scheduler the clear choice for automating your venue's calls to prayer.

Prayer Time Scheduler UCI - Forward Thinking Designs
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Prayer Time Scheduler Calculation Methods - Forward Thinking Designs

7 Different Calculation Methods

Support for seven prayer time calculation methods for different geographical regions.​

  • Egyptian General Authority of Survey

  • Islamic Society of North America

  • Majlis Ugama Islam Singapura

  • Muslim World League

  • Umm al-Qura University, Makkah (default)

  • Union des Organisations Islamiques de France

  • University Of Islamic Sciences, Karachi

Prayer Time Scheduler Settings - Forward Thinking Designs

Accurate Synchronization

NTP or GPS synchronization are used to ensure the Prayer Time Scheduler clock is always accurate.

Internal NTP

The Network Time Protocol (NTP) client is implemented inside the Prayer Time Scheduler plugin, allowing for multiple NTP sources and detailed error reporting.

Dedicated GPS Support

  • No internet or local NTP server? Use a GPS receiver to always keep Prayer Time Scheduler on the right time at any location, no internet required.

  • Capture your exact latitude and longitude for the GPS receiver.

  • Supports any standard 1Hz or 5Hz NMEA 0183 Serial GPS receiver. Tested with the popular and affordable Garmin 18x LVC.

Prayer Time Scheduler Calculation Closeup - Forward Thinking Designs

Automatic Calculation

Prayer times are calculated automatically by the plugin each day using the appropriate calculation method.

Built-in Audio Player

A built-in audio player makes setup simple, allowing for different audio files to be automatically played at each prayer time.

Additional Event Triggers

  • Optional pre- and post-prayer triggers allow for flexibility and custom control, such as BGM control and additional announcements.

  • Sunrise and sunset times are also connected to their own triggers.​

Prayer Time Scheduler Logo - Forward Thinking Designs
System Requirements
  • Q-SYS Core running Q-SYS v8.2 or later. Q-SYS v9.0 or later requires Prayer Time Scheduler to be updated to v1.1.0.​

  • GPS source (optional) if GPS clock source is desired.

What GPS receivers are supported?

Prayer Time Scheduler is designed to work with any 1Hz or 5Hz NMEA 0183 GPS receiver that outputs the Recommended Minimum Specific GPS/Transit Data (RMC) NMEA Sentence to RS232. 

The plugin is officially tested and supported with the popular and affordable Garmin 18x LVC and Garmin 18x 5Hz receivers.

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Middle Eastern Customers:

Prayer Time Scheduler is also available through NMK Electronics. Please contact them at for sales and support.

​For volume licensing or specific questions, email us at

License Keys are manually generated and usually sent out within two hours of your purchase for orders received

from 9 AM - 5 PM EST


Frequently Asked Questions

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