Time Flashcards
1
Q
How is the change in LMT calculated?
A
Hours = divide change of longitude by 15
Minutes = multiply the change of longitude by 4
2
Q
How does the date change when crossing the international date line?
A
EAST = date back
WEST = date forward
3
Q
How is morning/evening civil twilight defined?
A
Centre disk of the descending/ascending sun is 6 degrees below the horizon
4
Q
What does sunrise/sunset/civil twilight change with?
A
Date, latitude and altitude