What are units of measuring sunshine?

Answer 1

Lightyears

* * * * *

More likely, a lumen, which is a unit for measuring the amount of light emitted by a body (in all directions),

or

a lux, which is the unit for measuring the amount of light falling on a given area.

Answer 2

Because the SUN, not sunshine, is used as heat or energy the units would be BTU, watts, etc.....

Answer 3

It depends on what aspect of the sun you want to measure - its distance from earth, size, luminosity, temperature, its speed around the galactic centre etc.

Answer 4

Known as 'Lux' The unobscured sun provides an illumination of up to 100 kilolux on the Earth's surface

Answer 5

They are called Stomata.