"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:

Why Israel Changes Its Clocks on a Different Schedule Than Europe

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

Why North Korea Changed Its Time Zone Twice in One Decade

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

Why India’s Time Zone Is Exactly 5:30 Off UTC

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

Holidays and Important Dates

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Friday the 13th: How Often It Happens and Why It Falls on a Friday Most Often

November 13, 2026 is the third Friday the 13th of the year, after February 13 and March 13. That won't happen again until 2037. The next one after November comes on August 13, 2027, and then the calendar produces the longest possible drought: 14 months

When Is Eid al-Fitr and How Its Date Depends on Ramadan’s Final Moon Sighting

Eid al-Fitr never sits on a fixed date, and it isn't confirmed until the night before it happens. Unlike Christmas or New Year's Day, locked to the Gregorian calendar months in advance, the first day of Shawwal depends on whether a sliver of crescent moon

What Is Nowruz and Why It Always Falls on the Spring Equinox

Nowruz is the Persian New Year, celebrated by more than 300 million people across Iran, Afghanistan, Central Asia, the Caucasus, and Kurdish communities, and it begins at the exact astronomical instant of the March equinox rather than on a fixed date on any calendar grid.

Why Hanukkah’s Date Moves Every Year on the Solar Calendar

In 2013, the first candle of Hanukkah was lit on the night before Thanksgiving, a coincidence rare enough that it won't happen again until 2070. Eleven years later, in 2024, the first candle fell on the evening of December 25 itself, the same alignment that