"What time is it?" used to be a surprisingly tricky question to answer in North America. Before Nov. 18, 1883, every city and town kept its own local time, set by the position of the sun. That meant ...

Have you ever tried scheduling a call with someone and realised their clock shows a completely different time or maybe even a different day? That’s the magic (and confusion) of time zones. Some ...

With fall in full swing and the holidays approaching, another familiar change is on the way — the end of daylight saving time. On Sunday clocks turn back an hour at 2 a.m., giving residents some extra ...

In early January the sun does not rise in Kashgar, in China’s far west, until after 10am. Across the border, in eastern Afghanistan, it rises before 7am. That difference is the greatest jump in time ...