30 days good light experience

The Good Light Group will challenge several people, working from a home office, to experience good light for a period of one month in the winter of 2020 - 2021.

2020 – 2021

Chronotherapeutic treatments

Webinar organized by the SLTBR, by John Gottlieb, MD assistant professor at Northwestern University, Chicago USA.


January 20th 2021

19:00 - 20:00



CIBSE UAE: Good Light Indoors Makes People Healthy and Happy

Presented by Mr. Jan Denneman, Chairman of the non-profit organization Good Light Group and Honorary Ambassador of the Global Lighting Association.


January 21th 2021

15:00 CET


Good Light Group Participant meeting

The board of the Good Light Group will organise its annual participants meeting. Participants, please save the date. More information will be sent to you personally.

January 28th 2021

9:00 - 12:00 CET


UNESCO International day

The Good Light Group will organize an online event in the context of the UNESCO International day of light. This event will be organized in collaboration with other partners. The Society for Light Treatment and Biological Rhythms - SLTBR and the International Association of Lighting Designers – IALD have already confirmed their participation. More information on the program and date/time will follow.

May 2021



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