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Navkarsi is the morning Jain practice observed 48 minutes after sunrise. Here's the spiritual meaning, the timing rule, and how to observe it.

UTC and GMT show the same clock time, but they're not the same thing. Here's the difference between them and when it actually matters.

The 2026 schedule for daylight saving time in the US, EU, UK, and other observing countries — plus the long list of countries that skip DST.

Golden hour is the brief window of warm, soft sunlight near sunrise and sunset. Here's the physics and how to find it for any city.

Your age in years is the standard answer. Here's how to compute it in days, hours, minutes, and seconds, and why those answers can feel different.

Unix epoch time is the number of seconds since January 1, 1970 UTC. Here's why every server uses it and why we have a "2038 problem."

The five daily prayers in Islam are tied to the sun's position — which means times shift every day, every season, and every city.

Meeting across continents is mostly pattern, not math. Here's how to pick a time, dodge the DST gaps, and not schedule someone for 2 AM.

Twice a year your clock jumps forward or back by an hour. Here's the actual mechanic — including what happens to the hour you "lose."

UTC is the time the entire world uses to coordinate everything from servers to flights. Here's how it actually works.