Forward 1 hour
When local standard time was about to reach
Sunday, October 1, 1972, 12:00:00 midnight clocks were turned forward 1 hour to
Sunday, October 1, 1972, 1:00:00 am local standard time instead.
Sunrise and sunset were about 1 hour later on Oct 1, 1972 than the day before. There was more light in the evening.