IN THE summer, Spaniards enjoy their long evenings, having a drink at a pavement terraza before dining at 10pm or later. Yet the evenings are far longer than they should be: by local clocks, the sun sets an hour and 20 minutes later in Madrid than in New York City, though both are on the same latitude.

IN THE summer, Spaniards enjoy their long evenings, having a drink at a pavement terraza before dining at 10pm or later. Yet the evenings are far longer than they should be: by local clocks, the sun sets an hour and 20 minutes later in Madrid than in New York City, though both are on the same latitude.