🌟 🗞March #newsletter is here!
We have exciting updates from the global #unesco International Day of Light (IDL) community!
➡️ mailchi.mp/4b23cae020f2...

📷 @spie.org - IDL Photo Contest 2025: 'Cradle of Light' by Lalith Ekanayake
#lightday2026

@uni-jena.de

📸Concurs Fotogràfic a Instagram

Participa al concurs fotogràfic del Dia Internacional de la Llum!

💡 Temàtica: La llum en totes les seves formes.
🏆 3 premis de 100€
🗓️ De l'1 al 30 d'abril a Instagram.

Menciona @dil_terrassa i usa #fotoDIL26TRS #lightday2026.

Bases a foot.upc.edu 🔗

Participa al concurs fotogràfic del Dia Internacional de la Llum!

💡 Temàtica: La llum en totes les seves formes.
🏆 3 premis de 100€
🗓️ De l'1 al 30 d'abril a Instagram.

Menciona @dil_terrassa i usa #fotoDIL26TRS #lightday2026.

Bases a foot.upc.edu 🔗

🧵Why Organise an Event for #UNESCO #lightday2026?

Every year the International Day of Light (IDL) provides a perfect platform to honour the technological, physical, social and artistic uses of light💡

📷Quote: Message from Ms Audrey Azoulay, Director-General of UNESCO for #lightday2025

🧵🎪 Already ran your event for #unesco #lightday2026 but forgot to register? You can still do it! Past events are welcome. We welcome every event at any scale from every corner of the world🌍🌎🌏
forms.gle/efqo98G2psPo...

International Day of Light 2026 Event Registration Thank you very much for organising an event supporting the International Day of Light (IDL); this form will allow you to register it in the official International Day of Light calendar. To help us pr...

Already organised an event for #lightday2026, but forgot to register? It's never too late to register your events with us. Simply fill up the registration form on our website and make your events IDL official.
forms.gle/efqo98G2psPo...

International Day of Light 2026 Event Registration Thank you very much for organising an event supporting the International Day of Light (IDL); this form will allow you to register it in the official International Day of Light calendar. To help us pr...

Planning an event for #lightday2026 later in 2026 and not exactly on May 16? That’s absolutely fine, you can register it now!
forms.gle/efqo98G2psPo...

🧵✨ Have an idea for the UNESCO #lightday2026?
We’d love to hear about it! ✨

Whether your event is fully planned or just starting to take shape, you can pre-register now and update the details later. It only takes a few minutes to get started 💡
forms.gle/efqo98G2psPo...

🔍 Planning an activity for #unesco #lightday2026?

Explore hands-on #optics and #photonics resources developed by our colleagues at SPIE to help you organise engaging, interactive science events for your community 🔦💡

spie.org/education/ed...

📸 SPIE

🌟LIGHT & ASTRONOMY Resources🔭
Check out the hands-on activities and resources from astroEDU that bring the science of light and astronomy to life for diverse audiences.
Organise an activity. Join the global celebration #unesco #lightday2026
🔗 astroedu.iau.org/en/search/?q...
📸 astroEDU

🔹Looking for ideas and inspirations to plan educational activities for #lightday2026 ? How about 1️⃣0️⃣0️⃣🤩

Check out the incredible e-book featuring 100 educational activities about #light and #photonics
www.unawe.org/resources/gu...

📷 IYL2015/UNAWE/S. Simionato/P. Russo

📣 🗞 We have a theme for upcoming #lightday2026❗🗞📣
🔆 💡 Light For A Sustainable Future 💡 🔆

🗞 For more details and updates, check out our latest newsletter: mailchi.mp/10599320cc87...

@unesco.org
#lightday2026

🌟 Our committed volunteers, organisers, and sponsors are at the heart of this success! Huge THANKS to all who organised events for inspiring many about the science of light and its impact on society and to those who participated in the global celebration. Until #lightday2026!