42:30 · A sign for the planet Uranus. The sign for this planet is usually drawn . See in Group 41:a for further information regarding this planet and its role in the most common of the symbol systems.
    As the previous entry sign has also been used as a time sign to signify morning, consisting of the sign for the sun, , and its rising, .
    The same structure, but with the arrow pointing downward, signifies evening.
    It is also used in modern military ideography as a sign for machine gun or machine-gun placement.