
Dutch chronobiology meeting
Bioclock consortium wants to gather all chronobiologists to create a full day symposium on the breadth and depth of research on circadian biology and biological rhythms that takes place in the Netherlands.

21 March
16.00 CET
Online
14th Good Light Group meeting
1. Good Light news
2. Introduction new board members
3. Joachim Stormy Hansen
“Measuring and logging good light”
Joachim, one of our science advisors and related to participant Ocutune will explain initiatives on how to measure how much (good) light people do actually receive

25 January
16.00 CET
Online
4th Good Light Group Counsil meeting
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Review 2022 activities including financial report
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Policy & operational plan 2023 – Jan Denneman
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Group picture & break
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Social-economic impact of good light and of “not good light” – Bruno Smets
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Introduction
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Mentimeter dialogue
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Next steps
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23 November 2022
Gorinchem
Future Lighting 2022
Easyfairs Netherlands is launching the event Future Lighting at Next Level at Evenementenhal Gorinchem on Wednesday 23 and Thursday 24 November.
Jan denneman will speak on the subject:
Good light: the missing link between energy saving and occupant health.

3 November 2022
Online
deLIGHTed Talks #4
Good Light – Balancing Health and Energy
The Good Light Group, together with the Society for Light Treatment and Biological Rhythms (SLTBR), the Daylight Academy (DLA), the International Association of Lighting Designers (IALD), and Luger Research (LR), organized and presented the “Good Light – Balancing Health and Energy” lectures. The webinar explains the need for a day with Good Light and how we are able to balance health and energy issues in lighting designs.

11 October 2022
De Achelse Kluis - Netherlands
Smart Office 2 | 11 October
Discover how to combine workplace reservations & smart lighting to run as an efficient organisation every day. A supplement to Smart Office 1.
Jan Denneman will talk about the topic:
"Learn how the health and well-being of employees can be improved through good workplace lighting."

22 September 2022
Online
LED Expo Thailand + SMARTECH ASEAN
For three years in a row, the Good Light Group and LED Expo Thailand have been partners of SMARTTECH ASEAN. This year we have been invited again to present the Good Light story at their educational symposium which took place on September 22.
The main topics were:
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Good indoor light for better health
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Guide to good light
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The innovation challenge

20 - 21 September 2022
Zuidas Amsterdam
REBF FESTIVAL
Real estate future proof festival. Two days about the future of the construction and real estate world.
Board member Jan Denneman presented the keynote speech: “the health effects of good light indoors” and shared a panel with Marijke Gordijn, Erna van het Erve and Maarten Voorhuis.

15 - 19 August 2022
Chexbres, Switzerland
Summer School “Measuring Light and Illumination”
Using Horace Bénédict de Saussure’s cyanometer (1789) for measuring the colour of the sky as a starting point, for people to develop an interdisciplinary understanding of measurement and characterisation of light and illumination. This residential summer school combined lectures, practical workshops, an excursion and a student-led research project.
Click here for more information

June 28th 2022
16.00 - 17.00 CEST
Online
11th Good Light Group meeting
Agenda
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Good Light news
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Renske Lok – Stanford University & Science Advisor Impact of daytime illuminance on cognitive functioning and alertness
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Merijn Wegdam – Sunshower - Low dose UV for healthy vitamin D level in wintertime
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12th group meeting proposal: Tuesday 20 September 2022, 16:00hr CEST and volunteers to present
More information here

June 23rd - 25th 2022
Manchester
United Kingdom
SLTBR 2022 - 33rd Annual Meeting
The program committee of SLTBR prepared an excellent program with three symposia dedicated to fundamental, applied and clinical new insights. The CME course was filled with lectures on the current status of the use of melatonin.
In addition, they organized a young scientists symposium, a poster session with wine & cheese, and, of course, a banquet.
Click here for more information

June 23rd 2022
16.00 - 17.00 CEST
Online
Holiday feeling and better health throughout the year
Signify's Lighting Academy is a learning platform that offers all relevant educational resources.
On thursday June 23 at 16.00 Jan Denneman talked about how light influences our body.

June 7th 2022
15.00 - 16.00 CEST
SunLED free webinar
Seaborough has developed and patented technology that can easily be integrated into everyday lighting products.
The SunLED technology was explained by:
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Pieter Six - CEO of Seaborough
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Dr. Anne Berends - Program Director SunLED
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Dr. Marijke Gordijn - CEO Chrono@Work; expert on effects of light on health
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Owen Zachariasse - Senior Director JLL Work Dynamics

May 24th 2022
15.00 - 16.30 CEST
Online
deLIGHTed talks #3
The Right Light at the Right Time – Bright Days, Dark Nights
The Good Light Group, together with the Society for Light Treatment and Biological Rhythms (SLTBR), the Daylight Academy (DLA), the International Association of Lighting Designers (IALD), and Luger Research (LR), organized and presented the “The Right Light at the Right Time – Bright Days, Dark Nights” lectures. The webinar explained the need for a good day and night light based on scientific evidence and practical experience.

May 21st - 22nd 2022
15.00 CEST
Nature Bits
Nature Bit 'Dark Sky' Texel
Nightlife from different perspectives.
Did you ever think about experiencing the night through the eyes of a bat? Or how (artificial) light influences your biological clock, sleep rhythm and energy levels?
If so, join Nature Bit to one of the last places where the milky way can be observed in the Netherlands and learn about the effects of light and darkness on nightlife and humans.

May 10th - 12th 2022
18.00 - 19.30 CEST
Online
Daylight Awareness Week 2022
The third edition of the virtual “Daylight Awareness Week” is organised in the context of the UNESCO International Day of Light and is aimed at the general public as well as experts and students interested in daylight research.
The program and further information will be communicated soon.

March 25th 2022
Online
Defining the characteristics of healthy lighting: From discovery biology to real-world application
A webinar of UK Health Security Agency
We are exposed to levels of light at night far beyond the range of star- or moon-light, while indoor lighting during the day provides a poor approximation of the intensity and spectrum of natural daylight.
Speakers:
Professor Robert Lucas
Timothy Brown

February 24th 2022
13.00 - 14.00 CET
Online
9th Good Light Group meeting
The 9th participant meeting was held on Thursday February 24th.
Agenda:
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Nicholas Witton – Elite Sleep
How the combination of a lack of daylight can lead to sleep deprivation and Social Jet Lag which affects alertness, productivity and result in lower performances -
Oliver Stefani – Chronolight
What is Chronolight? Chronolight uses scientific findings on light effects and offers advice on good lighting.
December 16th 2021
14.30 - 17.30 CET
Online
Enlighten me Conference
International Conference
Shaping light for health and wellbeing in cities
Our boardmember Jan Denneman talked about
artificial lighting ad its implications for health, wellbeing and the circadian rhythm

November 4th 2021
13.30 - 14.30 CET
Online
7th participant meeting
From time to time the Good Light Group organizes a meeting for all the participants & partners. Organizations who joined the Good Light Group tell something about their business and latest developments.
Agenda:
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Good Light news
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Wilfried Pohl - Bartenbach
Title comes later
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Mikolaj Przybyla – GLOPTIC
Lighting audit issues
Second deLIGHTed talks webinar
The Good Light Group, together with the Society for Light Treatment and Biological Rhythms (SLTBR), the Daylight Academy (DLA), the International Association of Lighting Designers (IALD), and Luger Research (LR), organized and presented the second deLIGHTed talks webinar.
The webinar explained what the negative effects of daylight saving time are and how to cope with the dark period of the year.

October 21st 2021
17:00 - 18:00 CEST
Online
Comic book “Enlighten your clock” – Launch event and expert talk
Published this spring in English, the comic book Enlighten your clock: How your body tells time describes with intelligence and humour the effects of light on our body. To celebrate this success, the Daylight Academy hosted this “Launch event & expert talk”. Special guest Daniel Smith shared his views about sleep, light and mental health in teenagers.

October 14th 2021
20:00 - 21:00 CEST
Online
What is Good Light?
You can now watch the webinar 'What is good light?' online organized by Reliable Lighting Solutions. Here you can listen to our founders Marijke Gordijn and Jan Denneman talk about Good Light.
Topics:
What is Good Light, and why do we need it?
How does light affect our physical and mental health?
What can we do to bring good light into our spaces?
Registration for this event is limited to 75 participants so don’t delay.

October 6th 2021
09:00 - 17:30 CEST
High Tech Campus
Strategy Day
Second strategy meeting.

September 15th 2021
09:00 - 09:30 CEST
Online
Good Light for Health and Wellbeing
LED Expo Thailand and SMARTECH ASEAN 2021 organized a free webinar on zoom.
The main topics were:
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Energy Efficiency by Digitalization & Technology
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Smart Lighting, IoT & Connectivity
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Sustainability and Environment
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Health & Wellbeing
In the first presentation of the session Health & Wellbeing, our board member Jan Denneman explained the guidelines for Good Light.

August 31st 2021
13:30 - 14:30 CEST
Online
6th participant & partner meeting
Every period the Good Light Group organizes a meeting for all our participants & partners. New organizations who joined the Good Light Group tell something about their business and newest developments.
Agenda August 31st:
1. Good Light news
2. Pieter Bax – Luxlight, the Netherlands
Good Light via skylights
3. Floris Wouterson – Floris Wouterson Sleep Performance
Factors for a good sleep and the influence of good light
4. Next meeting and volunteers to present
5. Closure

July 6th 2021
09:00 - 11:00 CEST and
July 13th 2021
16:00 - 18:00 CEST
Online
Online tutorial on the understanding and application of CIE S 026:2018
This CIE Tutorial has been developed to support the understanding, adoption and proper application of CIE S 026/E:2018 CIE System for Metrology of Optical Radiation for ipRGC-Influenced Responses to Light.

May 25th 2021
09:00 - 10:00 CEST
Online
5th Participant & Partner Meeting
We organized the 5th participant and partner meeting. With lectures of:
Dr. Luc Schlangen – Eindhoven, University of Technology
Advances in Lighting Metrology and Non-Visual Effects of Light.
and
Mrs. Cristina Tanase – Signify – Nature Connect
Bringing the natural light indoors with NatureConnect by Signify.

May 19th - 21st 2021
Online
SLTBR's 32 annual meeting
On behalf of the board of directors of the Society for Light Treatment and Biological Rhythms (SLTBR), they invited you to the society's first online congress. With the generous support of their sponsors and industrial partners, this congress will be free of charge for all registered participants.
The topics that were discussed are : Photoreception, Lighting and Health.
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May 14th 2021
09:30 - 10:30 CEST
Online
The unused potential of good light indoors
LED Expo Thailand and SMARTECH ASEAN 2021 organized a free webinar on zoom.
The main topics were:
- The problems of billions of people in biological darkness
- What is Good Light?
- The unused potential and business opportunity of good light
- Discovery 2002: Spheres (ipRGGs) synchronize biological clock
- The advantages of Good Light & 'healthy buildings'
UNESCO International Day of Light
The Good Light Group organized an online event in the context of the UNESCO International day of light. The Society for Light Treatment and Biological Rhythms - SLTBR, the International Association of Lighting Designers – IALD, the Daylight Academy – DLA and Luger Research have teamed up with the Good Light Group to organize deLIGHTed talks. The theme will be Good light - Good life.

March 23rd 2021
09:50 - 10:50 CET
Online
LICHT 2021
From 21 to 24 march 2021, the European Light Congress in Germany took place as a complete online event. See Startseite | LICHT2021. The Good Light Group participated in the panel discussion about sustainable good light on Tuesday March 23, from 09:30 – 10:50.
Light Symposium Wismar 2020/21
The digital lighting conference in Wismar took place online this year. The topic is very much related to the mission of the Good Light Group: “The future of daylight and artificial lighting in healthy built environments”.
March 10th - 12th 2021
Online

SLL Webinar: Good indoor light makes people healthy and happy
The webinar began with a presentation from Jan, followed by a panel discussion with SLL President Elect, Dr Ruth Kelly Waskett and Professor Peter Raynham. There was also an opportunity for audience Q&A.
March 10th 2021
12:00 CET
Online

Online Lighting Fair Japan - Tokyo
There were several on-line lectures about Human Centric Lighting during this event. Christian Cajochen and Dorothy Sitt presented scientific backgrounds of how good light affects our body clock. Jan Denneman presented a lecture titled “the unused potential of good light indoors”.
March 9th 2021
02:30 CET
Online

Non-visual effects of light and its application in architecture
PhD Steven W. Lockley, an associate professor of medicine, Harvard medical school neuroscientist, Brigham & Women’s hospital professor and VC fellow was presenting a webinar about non-visual effects of light and its applications in architecture, organized by the SLTBR.
Watch the full webinar here: Non-visual effects of light and its application in architecture
February 17th 2021
17:00 CET
Online

Second annual Participant Council meeting
On 28 January our board members and participants met online for the second Participant Council meeting. Representatives of 15 companies / universities were present.
More information: Second annual Participant Council meeting
January 28th 2021
9:00 CET
Online

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.
You can watch the full webinar here:
January 21th 2021
15:00 CET
Online

Chronotherapeutic treatments
Webinar organized by the SLTBR, by John Gottlieb, MD assistant professor at Northwestern University, Chicago USA.
You can watch the full webinar here:
January 20th 2021
19:00 - 20:00 CET
Online