EEUU: Senado aprueba hacer permanente horario de verano Los Angeles Times

After the energy crisis was over in 1976, the DST schedule in the US was revised several loan sharks times. From 1987 to 2006, the country observed DST for about 7 months each year.

• After the energy crisis was over in 1976, the DST schedule in the US was revised several times.
• From 1987 to 2006, the country observed DST for about 7 months each year.
• From 1987 to 2006, the country observed DST for about 7 months each year.
• After the energy crisis was over in 1976, the DST schedule in the US was revised several times.