Someone can purchase curtains to block out the sun from a number of retailers both in store and online. They can be bought from eBay, Amazon, Bedroom Blackout and DinoDirect.
Thicker curtains made by anyone work really well, to go under the curtains to block out the majority of the sun you want to use a black out shade instead of a mini blind.
Heat blocking curtains can help regulate the temperature in a room by reducing heat transfer, which can lead to lower energy costs for heating and cooling. They also provide privacy, block out light, and protect furniture from sun damage.
SunUv is a great brand to block UV rays. WalMart is a store that sells many items online. You can purchase sun block from WalMart and they will have it delivered to the store for free or to your home for a nominal cost.
White curtains won't make a significant difference to the temperature of the room. It is better to keep heat out of the room by shutting the windows and using black out curtains to block out the sun.
You can use a combination of things like heavy duty lining for the curtain fabric, interior or exterior blinds, interior or exterior shutters, a reflective film on the window glass. For comprehensive details see this article: http://www.helium.com/items/1714551-how-to-protect-curtains-and-drapes-from-sun-damage
The Eclipse Frisco Panel is designed to stand up to the sun
One effective way to block out the sun and maintain privacy on a patio with a patio door sun shade is to install outdoor curtains or blinds. These can be easily drawn closed to block out sunlight and provide privacy when needed. Another option is to use outdoor screens or trellises with climbing plants to create a natural barrier. Additionally, installing a pergola or awning over the patio can provide shade and privacy while still allowing some sunlight to filter through.
Curtains, shades, or tinted windows.
To block the sun from shining through a window, you can use blackout curtains, blinds, shades, or solar film. These options can help reduce glare, heat, and UV rays entering the room while maintaining privacy and controlling light levels.
The blowing ice crystals can block the sun during blizzards.
People wear clothes, hats, and sunscreen to block the sun.
Heaven's haze, curtains of the sun, sky-ghosts