The flag of Kyrgyzstan has a red field with a yellow sun containing 40 uniformly spaced rays and a stylized depiction of a tunduk in the center. The aspect ratio of the flag is 3:5.

Colors:

1. Red (Pantone 186 C): #C8102E
2. Yellow (Pantone 116 C): #FFCD00

Geometric properties and measurements:

1. The sun is located at the center of the flag, with a diameter equal to 3/5 of the flag's height.
2. The sun has 40 rays extending from its circumference, each with an angle of 9 degrees.
3. The stylized tunduk has a diameter equal to 2/5 of the sun's diameter.
4. The distance between adjacent rays' tips is equal to the width of one ray.

These are the main properties and measurements of the flag without discussing its symbolism.