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When do the clocks change for winter time in Romania this fall? US states that use daylight savings time change their clocks back one hour on the first Sunday of November each year for winter time. Daylight saving time begins on the second Sunday in March, when clocks go forward one hour.
Hawaii and areas of Arizona do not observe daylight saving time. So are the territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico and the Virgin Islands.
When the clocks change for winter time is an hour gained or lost?
When we switch from summer time to winter time, we turn the clock back an hour, which means we will gain an hour of sleep. And we lose an hour when we switch to daylight saving time.
In Romania, on the night of October 26 to 27, on the last Sunday of the month, we switch to winter time 2024. The clocks go back one hour, and 4:00 becomes 3:00.
Why is daylight saving time still valid?
The purpose of daylight savings time is to provide more hours in a day for several reasons. First, to save energy. Arguments have been made that more daylight hours benefit public safety and health.
Daylight saving time was first introduced in the US in 1918 during World War I and was known as “war time”. It was abandoned after the Great Conflagration as it was deemed not to be continued.
Daylight saving time as we know it today began in the US with the Uniform Time Act of 1966. It began on the last Sunday in April and ended on the last Sunday in October.
In 2005, it changed to start on the second Sunday in March and the first Sunday in November, as it is today.
According to the Convention of Time Zones, the clocks show the same minute and the same second for every point on Earth, and the differences between the hours are given by the fact that every 15 degrees of longitude there is an extra hour.
The numbering of these spindles starts from the home meridian, which passes through the town of Greenwich (Great Britain), in a positive direction to the east. Thus, for Europe, Western European time is time zone 0, Central European time is time zone 1 and Eastern European time is time zone 2. Romania is in time zone 2, and the period between the months of October and March (that of the winter months ) is called “Romanian legal time”. The summer and winter time system involves an adjustment of the clocks by one hour each spring and autumn, in order to take better advantage of natural light.
What a Department of Energy study found when the clocks change for DST
A Department of Energy study found that the four extra weeks of daylight savings saved the U.S. about 0.5 percent of total electricity. This is how energy savings of 1.3 billion kilowatt-hours were made annually.
There have been initiatives that provide that the winter-summer time will no longer be changed. The Sunshine Protection Act is an initiative that has reached the US Parliament. Drafted in 2021 to make daylight saving time the new permanent standard time, the bill passed the US Senate in 2022, but has yet to pass the House of Representatives, and its fate is uncertain.
How can changing the time affect the circadian rhythm
The time change can affect people’s circadian rhythms. It’s about the mental, physical and behavioral changes a person can experience during a 24-hour cycle, such as fatigue levels, appetite and body temperature
These processes can be altered according to changes in light and darkness in a person’s environment.
Although it’s only a one-hour time change, it can make a big difference to the darkness levels a person sees during the day.
Health risks: depression, obesity, cancer and heart attacks
The time change that occurs in the fall results in less exposure to morning light and more exposure to evening light because people’s sleep and work schedules remain the same.
Scientists have found that body clocks going out of sync twice a year can lead to increased health risks such as depression, obesity, cancer and heart attacks.
Source: www.doctorulzilei.ro
