"What time zone is Texas in?" has two correct answers. Houston, Dallas and Austin are on Central Time, while El Paso is on Mountain Time, an hour behind the rest of the state. Florida, Kentucky, Tennessee, Michigan and nine other states work the same way:

For most of the year, India is 9 hours 30 minutes ahead of New York. From November 1, 2026 to March 14, 2027, it is 10 hours 30 minutes ahead. India's clocks do not change in either case. The whole difference comes from the United

Israel's clocks now fall back on the same day the European Union's do, the last Sunday of October, a deliberate alignment written into a 2013 law. But the two systems still don't match. Israel springs forward on the Friday before the EU's last Sunday of

North Korea turned its clocks back 30 minutes on August 15, 2015, breaking from South Korea and Japan to create its own "Pyongyang Time," then reversed the entire move less than three years later, on May 5, 2018, realigning with Seoul again. Both changes were

The average worker in Mexico puts in about 2,200 hours a year. The average worker in Germany puts in about 1,340. The gap of roughly 860 hours equals more than 21 standard 40-hour weeks, close to five extra months of full-time work. Most "who works

The 40-hour week looks like a natural unit of work, but the number was never derived from a measurement of how much work is best. It is the product of two separate fights: one over the length of the day, which ended at eight hours,

The average American age 15 and over logs about 9 hours of sleep a day, spends just over 5 hours on leisure and works 3 hours. That last number looks wrong until you see how it is built, and nearly every headline figure from the

The most famous number in time management started as a workaround. In the late 1980s Francesco Cirillo, a university student who could not make himself study, used a tomato-shaped kitchen timer to test a small question: could he work for two minutes without interruption? Twenty-five