How can you make sensible use of daylight?
Vitamin D from sunlight and food can complement each other.
Read the sunlight and vitamin D guideSunlight guideLearn about sunlight and
Learn about sunlight and
everyday life
Explore outdoor protection, daylight and routines, and seasonal food. You can also learn about the light spectrum and body clock.
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When do you need protection, and what should you bring?
Check the local UV forecast, then prepare clothing and sun protection.
Read the protection guideHow can you adjust daily life as the seasons change?
Learn about daylight, routines, and foods rich in vitamin D.
Learn about seasonal routines and foodAll articles
Articles are grouped by topic, with public sources at the end of each one.
Sunlight basics6 articles
- What is in sunlight? The spectrum and invisible light
- Visible light: sunlight, colour, and the sky we see
- UV basics: how do UVA, UVB, and UVC differ?
- Infrared and warming: why does sunlight warm objects?
- Three solar-elevation regions at 30°: latitude ranges and city examples
- How to use the Sun–Earth Lab: explore daily solar changes by location and date
UV and protection5 articles
Daylight and routines2 articles
Outdoor activities3 articles
Vitamin D and seasons4 articles
Parenting and specific situations1 articles
A note on reading Articles use everyday examples and list public sources. We do not provide personal sun-exposure times or vitamin D doses.