1.   Which item shows that it is daytime?
    A. B.
    C. D.
    Hint

  2.   Which item shows that it is nighttime?
    A. B.
    C. D.
    Hint

  3.   Which item shows what time it is?
    A. B.
    C. D.
    Hint

  4.   Which item shows what day it is?
    A. B.
    C. D.
    Hint