califorina
This is called the Sun of May, and it is the national emblem of Argentina and Uruguay. It appears on both of their flags. It's in reference to the May Revolution, which marked the beginning of the independence from the Spanish Empire.
Kazakhstan has blue flag with yellow sun: http://en.wikipedia.org/wiki/Flag_of_Kazakhstan
Argentina
In cartoons the sun is sometimes drawn with a smiley face on it; but in reality there is no human-like face, or any other sort of face on the sun. The term "the face" of the sun just means that particular side of the sun that we can see from our current position on the earth; the side facing us.
The national flag of Japan is a white rectangular flag with a large red disk (representing the sun) in the center.
http://www.bartleby.com/151/country/mi.html
The earth rotates on its axis (poles), and it orbits the sun. Therefore, no country could possibly face the sun all the time, which would mean constant daylight.
The eight rays of the sun in the Philippine flag symbolize the first eight provinces that revolted against Spanish colonization. The sun itself represents independence, freedom, and national sovereignty.
Flag is Red background with yellow sun. Red means bloodshed from Macedonians protecting their country throughout the centuries, Yellow Sun means "New Sun on Liberty"
It is a metaphor in which a warm sun is compared to a smiling human face. neither. it is personification- the sun takes on a human-like quality
The Japanese flag, also known as the Rising Sun flag or Nisshoki, symbolizes the rising sun and represents Japan as the Land of the Rising Sun. It has been used for centuries and is a powerful emblem of the country's culture and identity.