All about the October 2021 time change in Spain: This is how we will enter winter time

  • The fall time change is made on the last Sunday in October since 1996 (before it was in September)

The October time change 2021 is here. This year it will take place in Spain on the last day of the month, early morning of Sunday 31, when clocks will need to be delayed one hour to enter the Winter time.

When the hands of the clock strike three in the morning, they will have to be delayed at two. The fall time modification applies in all countries of the European Union (EU), in order to adjust the working day to the hours of natural light. As of Sunday, October 31, it will dawn and dusk earlier, until next March the time change of spring 2022 is made.

What day do you have to change the time?

The change to winter time in Spain occurs in the early morning of last Sunday in October, which this year coincides with the last day of the month, the 31st. This is so since 1996: before the fall time change was carried out on the last Sunday of September.

Should I turn the clock forward or backward?

In the fall time change you have to turn the clock back one hour. The exact time to do it is the early morning of October 31, when at three it will be two again. If you plan to be in bed at that time, the most comfortable thing is to turn back all the clocks in the house when going to sleep to get up on Sunday with the real time.

How will winter time affect you?

The most immediate effect of the time change is that will dawn and dusk an hour before, so we will have less sunlight time in the afternoons (and more in the mornings). Experts argue that winter time facilitates a better match between natural light and the rhythm of majority activity of the population. The earlier sunrise, more people will enjoy sunlight when they wake up, which is a clear health benefit.

What are the health effects of the change?

The change to winter time can affect mainly the people with pathologies, nursing babies and pets. The effects of the change in biorhythms are similar but less abrupt than the jet-lag phenomenon, which occurs after a long journey. Upon waking up, when the biological clock marks the time to which it is accustomed, it is when alterations occur, although in a short time the body compensates and adapts.

How much do you save with the time change?

One of the arguments that support the time change is the data provided by the Institute for Energy Diversification and Saving (IDAE), which estimates that the potential energy savings round the 5% only in Spain. This percentage represents about 350 million euros. Of this amount, around 100 million would correspond to domestic consumption (about 7 euros per household), and the rest, to the industry or the lighting of service buildings.

Will it be the last time change?

The time change for October 2021 it has no signs of being the last. The European Commission had originally set itself the goal of ending the changes in 2019, but the plan was too ambitious and the European Parliament He later proposed that the last year with time change was precisely the 2021. However, the lack of consensus on how to end such an established practice and uncertainty on what time each country would stay presage that the time changes are far from over.

What time will Spain stay?

It is not at all clear. The committee of experts appointed by the Government to decide if Spain stays with the winter or summer schedule does not agree on what is the best. For this reason, the Executive has opened a period of reflection that is still underway.

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What is the history of the time change?

The time change dates back to decade of 70’s, with the first oil crisis, when some countries decided to advance the clock to make better use of natural sunlight and consume less electricity (Spain introduced the time change in 1974). In 1980, the European Economic Community – of which Spain was not yet part – published the first directive to put order on the subject in the different countries.

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