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UK to Revert to Greenwich Mean Time in 2025

10/16/2025

31 5 Full Breakdown

Summary

Story summary

The United Kingdom will revert to Greenwich Mean Time on October 26, 2025, at 2 a.m., ending British Summer Time.
The change gives an extra hour of sleep but shortens daylight.
Daylight saving was first introduced in the UK during World War I to conserve energy.
Professor Aoife Foley emphasizes that maintaining standard time could ease pressure on the National Grid.

History

Historical Context

The United Kingdom first implemented Daylight Saving Time (DST) on May 21, 1916, during World War I to conserve energy, aiming to reduce coal consumption by about 10%. This practice was later adopted by the U.S. in 1918. The upcoming reversion to Greenwich Mean Time in 2025 highlights ongoing debates about energy management and public health, reflecting evolving societal needs.

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Story summary

The United Kingdom will revert to Greenwich Mean Time on October 26, 2025, at 2 a.m., ending British Summer Time.
The change gives an extra hour of sleep but shortens daylight.
Daylight saving was first introduced in the UK during World War I to conserve energy.
Professor Aoife Foley emphasizes that maintaining standard time could ease pressure on the National Grid.

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