Social Jet Lag: The Time Zone Between Your Weekdays and Weekends
If you sleep 11-to-7 on workdays and 2-to-10 on weekends, you're commuting across three time zones every week — without leaving home.
Time & Date
Articles filed under Time & Date.
Why Nepal Is 15 Minutes Different: The World’s Oddest Time Zones
Most of the planet steps in whole hours. A stubborn handful of places insist on the half — and three on the quarter.
Sleep Cycles: Why You Wake Up Groggy From Long Naps
Sleep isn't one state but a repeating 90-minute journey — and where the alarm interrupts that journey decides how you feel.
From Milliseconds to Attoseconds: The Small Units of Time
A nanosecond is to a second what a second is to thirty-two years. Modern technology lives — and competes — in these slivers.
Your Body’s Internal Clock: Circadian Rhythm Explained
You contain a clock — a cluster of 20,000 neurons that decides when you sleep, wake, digest, and think best. Light winds it daily.
John Harrison and the Clock That Solved Longitude
An eighteenth-century carpenter's son spent forty years building four clocks — and won an argument with the entire scientific establishment.
What Is a Solstice? The Longest and Shortest Days Explained
Twice a year the sun 'stands still' — and everything from Stonehenge to your earliest sunset traces back to that pause.
Time Capsules: Messages Scheduled Centuries Ahead
One crypt in Georgia is sealed until the year 8113. Humanity keeps mailing letters to people who won't be born for millennia.
The Hindu Panchang: Five Measurements in Every Single Day
A panchang doesn't just give the date — it gives five interlocking readings of the day, which is why Hindu festival dates puzzle outsiders.
What Is an Equinox? The Two Days the Sun Crosses the Equator
Twice a year the sun rises exactly due east everywhere on Earth — and day and night come closest to perfect balance.