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Location A is at 50ºN 030ºW and location B is at 50ºS 030ºW. On 27th November it is noted that:
  • A
    Sunrise and sunset will be at the same time at A and B.
  • B
    Sunrise will be earlier at A than it is at B and sunset will be earlier at A than it is at B
  • C
    Sunrise will be earlier at A than it is at B and sunset will be later at A than it is at B.
  • D
    Sunrise will be later at A than it is at B and sunset will be earlier at A than it is at B.

Sunrise and Sunset

Local noon occurs at the same Local Mean Time on all meridians (1200 hrs LMT).
It is also true to say that the Sun rises at the same LMT at all places on the same parallel of latitude and it sets at the same LMT at all places on the same parallel of latitude.
Earth’s tilt results in seasonal changes and the declination of the Sun affects the length of night and day, i.e. it changes the times of sunrise and sunset.
The effect varies with latitude.

In the Northern Hemisphere, during November it is winter, the Earth’s North Pole is tilted away from the Sun.
An observer will experience longer period of day in Southern Hemisphere compared with the Northern Hemisphere.

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