Time Flashcards
1
Q
Which direction is the rotation of the earth?
A
Eastwards. Or Anti-clockwise if viewed from above the north pole.
2
Q
Define Night
A
‘Night’ means the hours between the end of evening civil twilight and the beginning of morning civil twilight.
3
Q
Define Civil Twilight
A
Civil twilight ends in the evening when the centre of the sun’s disc is 6 degrees below the horizon and begins in the morning when the centre of the sun’s disc is 6 degrees below the horizon.
4
Q
How many degrees is 1 hour of time zone?
A
15 Degrees
5
Q
What is the name of the time when the Sun reaches the highest point of the sky during any given day?
A
Noon
6
Q
What is the name of the time that clocks are regulated by?
A
Mean Solar Time or Mean Sun
