Allison Schrager argumenta que no
The actual energy savings are minimal, if they exist at all. Frequent and uncoordinated time changes cause confusion, undermining economic efficiency. There’s evidence that regularly changing sleep cycles, associated with daylight saving, lowers productivity and increases heart attacks. Being out of sync with European time changes was projected to cost the airline industry $147 million a year in travel disruptions.
Propone además que los Estados Unidos deberían reducir sus franjas horarias de 4 a sólo 2. La idea general es que la coordinación económica entre regiones es más importante y trae mayores beneficios en nuestro mundo actual que la proximidad al horario solar natural.
America started using four time zones in 1883. Before that, each city had its own time standard based on its calculation of apparent solar time (when the sun is directly over-head at noon) using sundials. That led to more than 300 different American time zones. This made operations very difficult for the telegraph and burgeoning railroad industry. Railroads operated with 100 different time zones before America moved to four