That would depend on the medium which the light is traveling through.
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The speed of light in a vacuum, which is approximately 299,792 kilometers per second, does not change with direction or angle. Therefore, the speed of light at 30 degrees remains the same.
The decimal form of 127 degrees 30' 30'' longitude is 127.50833 degrees.
30 degrees Celsius is equivalent to 86 degrees Fahrenheit.
A circular line 30 degrees north of the equator and another [parallel] one 30 degrees south.
30 degrees Celsius is equal to 86 degrees Fahrenheit.
What is the root-mean-squared speed of the helium atom in one mole of an ideal gas at a pressure of 2.00 atmospheres and a temperature of 30 degrees C?