Zaragoza Airport lies in the temperate mid-latitudes at 41.67° N, 1.04° W, on Europe/Madrid time (UTC+2).
Zaragoza Airport has 2 runways. The longest, 12R/30L, measures 12,198 ft by 148 ft, which puts the field in the full-length intercontinental category: a fully loaded Boeing 777 or Airbus A350 can depart for the far side of the world. The surface is asphalt. Both are lit for night operations.
Runway 12R/30L is aligned roughly south-east/north-west, which is the clearest hint you get about the prevailing wind here: runways are built to face the wind that blows most often, because aircraft take off and land into it. Every runway here shares that south-east/north-west alignment, so a strong crosswind means a crosswind landing rather than a switch to another strip.
The runways are not interchangeable. 12L/30R is 9,843 ft against 12R/30L's 12,198 ft, a difference of 2,355 ft, so the shorter one generally takes regional traffic while the longer handles anything heavy.