The clocks fall back twice this autumn on the two sides of the Atlantic, one week apart. The United Kingdom and every European Union country end summer time on Sunday, October 25, 2026. The United States and most of Canada end daylight saving time on

Mexico uses four time zones, and since October 30, 2022, most of the country keeps the same time all year. Mexico City, Guadalajara and Monterrey stay at UTC−6 in January and in July. Cancún stays at UTC−5, Los Cabos and Mazatlán at UTC−7. The only

Brazil covers 8,514,877 square kilometers, the fifth largest country on Earth, and its territory stretches 4,319 kilometers from its Atlantic tip near João Pessoa to the Peruvian border, a span of roughly 39 degrees of longitude. Despite that scale, Brazil runs on only four time

The premise behind that headline needs a small correction before the story even starts. Japan did try daylight saving time, for four full years, complete with clocks moving forward and back on a fixed schedule. What Japan never did was choose it. The distinction between

On Monday, August 2, 2027, the Moon's shadow will cross southern Spain, North Africa and the Arabian Peninsula, producing the second-longest total solar eclipse of the 21st century. At its maximum, in southern Egypt near Luxor, the Sun will be completely covered for about 6

Winter 2026 starts twice in the Northern Hemisphere. Meteorological winter begins on Tuesday, December 1, 2026. Astronomical winter begins at the December solstice, on Monday, December 21, 2026 at 20:50 UTC, which is 3:50 p.m. Eastern and 12:50 p.m. Pacific. Both answers are correct. They

Every time a supermoon rises, the same statistic gets repeated: 14% bigger, 30% brighter. It's in almost every news segment and nearly every listicle, and it's also a comparison almost nobody in the audience will ever actually witness, because it measures the single closest possible

Sunlight is white. Air is, as far as anyone can tell by looking through a window, colorless. And yet every clear afternoon the same 400,000-kilometer column of gas above your head reads as a specific, saturated blue, then goes black within an hour of sunset.