Time and Time Zones Flashcards
The longest solar day is in ___, whereas the shortest is in ___
February, November
The Earth is inclined __._ degrees from the vertical
23.5
The summer solstice is on the ___ ___, whereas the winter solstice is on the ___ ___
21 June, 21 December
The highest latitude above which the sun will not set is __.__ degrees
66.5
The highest latitude at which the sun will rise above the horizon and set each day is __ degrees
64
The highest latitude at which the sun can be vertically overhead any place is __ degrees
23
The perihelion is during ___
January
The aphelion is during ___
July
The Spring Equinox is on the ___ ___ and the Autumn Equinox is on the ___ ___
21 March, 23 September
15 degrees of longitude is equivalent to _ minutes
60
In Spring the clocks go ___, in Autumn they go ___
forward, back
Sunrise and sunset occur when the ___
sun’s upper edge is on the viewer’s horizon
Highest time difference between UTC and standard time is ___ hours
13
Close to the Equinoxes, the influence of latitude on the duration of daylight is at its ___
smallest
Times in the Air Almanac are given in ___
LMT