"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:

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

India runs on a single clock from the Arabian Sea to the Myanmar border, a stretch of roughly 3,000 kilometers, and that clock sits at a UTC offset almost nobody outside the region can round off in their head. UTC+5:30 isn't a rough approximation or

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

In a 1994 study, 37 psychology students estimated how long it would take them to finish their honors theses. Their average answer was 33.9 days. They also gave a best-case estimate, 27.4 days on average, and a worst-case estimate, "if everything went as poorly as

"It takes 23 minutes and 15 seconds to refocus after an interruption" shows up in productivity apps, management slide decks, and posts about deep work. The figure is real, and it comes from a serious researcher. It does not mean what it is usually taken

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,