Chase the Dark 2018 Celebrates With Reflections of Light Theme

Each year, light enthusiasts the world over gather for Chase the Dark, an international lighting movement that asks participants to photograph and share displays of light via social media during a 24-hour period as the sun sets westward across the globe. The results capture the creativity and diversity of the lighting profession.

This year on Thursday, Oct. 4, 2018, participants will show their artistic and creative talents using a safety reflective spray that becomes illuminated when light is shone directly onto it. The spray, which is invisible in daylight, is washable and can go on fabrics, clothing and hard surfaces. If you don’t have the reflective spray, show your creativity using reflective surfaces and light!

Member companies of the Lighting Industry Resource Council (LIRC) are crowd sponsoring Chase the Dark this year. Find out how to host a Chase the Dark celebration by contacting Kelly Ashmore, IALD director of engagement and component relations, at [email protected].

Interested in attending or want more information about a local event? Check out the list of Chase the Dark celebrations below and contact the IALD coordinator for the city nearest you for more information. Can’t attend an official event? Join in the fun from any location by uploading your photos to social media and use the hashtag #IALDChaseDark or use the hashtag to watch the celebrations in real time.

For more information about the IALD Chase the Dark 2018, visit the website.

The list of participating cities is subject to change.


  • Melbourne
  • Sydney


  • Toronto

Greater China

  • Shanghai
  • Shenzen
  • Taipei


  • Brussels
  • Venice
  • Zurich (IALD Alpine)


  • TBD


  • Tokyo


  • Mexico City

Southeast Asia

  • Singapore


  • London


  • Boston (IALD New England)
  • Chicago (IALD Midwest)
  • Los Angeles (IALD Southern Cali)
  • Minneapolis
  • New York City
  • Philadelphia
  • San Francisco
  • Seattle (IALD PNW)
  • Washington, D.C.

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