Hover or tap underlined Spanish terms to see their translation and exam tip.
En aguas del Océano Atlántico Norte, cercanos a New York en la longitud= 070º 40,2’W, siendo nuestra hora de huso (Hz)= 0720 del día 29 de Marzo, calculamos la hora civil y fecha en Greenwich en ese momento:In the North Atlantic near New York at longitude 070º 40.2’ W, when our zone time (Hz) is 0720 on 29 March, calculate the Greenwich civil time and date:
Show the answer
Correct answer: b) 1220 on 29 March.
Why it is correct
Longitude 070º 40.2′ W lies in zone +5 W (between 67º 30′ W and 82º 30′ W). Adding 5 hours to 07h 20m on 29 March gives 12h 20m on 29 March.
Why the others are not
- a) Steps back a day without crossing 00h.
- c) Subtracts 5 hours and also changes the date.
- d) Subtracts 5 hours as if in east longitude.
How to work it out in the exam
- 70.67º / 15 = 4.71 → zone +5 W: HcG = Hz + 5h.
Where this question comes from
- Región de Murcia · 2020 · 1ª convocatoria · CY Tipo 1 · question 12 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.