Compare daylight hours
Compare sunlight in the morning, at noon and in the afternoon, then plan outdoor activities around the weather.
How should I plan around local daylight?
See local guidance for outdoor plans, protection and meals.
Everyday guidance for the selected date
Choose protection based on actual UV levels
This page does not provide real-time UV Index readings. Check your local weather service. At UVI 3 or above, use shade, clothing, a hat, sunglasses and sunscreen.
How to check the UV Index and protect yourself →Sunlight and food are complementary sources
The skin makes vitamin D when exposed to UVB; food is another source. Consider oily fish, UV-treated mushrooms and fortified foods labeled with vitamin D.
Explore food sources →This is a simulation of the Sun's position, not a UV forecast. Check your local weather service for the actual UV Index when planning protection.
Want to know why? Explore the Earth model
Choose a location, date and time to compare sunlight through the day and across seasons.
More everyday guidance
Explore more guidance on protection and everyday food choices for your local weather and routine.