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UK Pre‑5am Sunrises: Forecast Dates After Clocks Go Forward to BST

Forecasts reflect astronomical calculations tied to the March 29 switch to British Summer Time.

Overview

  • Clocks in the UK move forward one hour to begin British Summer Time on Sunday, March 29, 2026 at 1am.
  • Ness Point in Lowestoft, the country’s most easterly spot, is forecast to see its first pre‑5am sunrise around May 14.
  • Predictions indicate Edinburgh’s first pre‑5am sunrise arrives around May 16.
  • London is expected to reach its first pre‑5am sunrise around May 22, with Cardiff projected around June 4.
  • Daylight builds to the Summer Solstice on Sunday, June 21, with forecasts suggesting final pre‑5am sunrises around June 30 in Cardiff, July 13 in London, and July 22 in Edinburgh.