The Timepiece Journal » horology

Clear answers to the most common questions about world time, time zones, solar days, ephemeris seconds, and atomic clocks — and how it all connects to the watch on your wrist.

Quick answers to the most common questions about sundials — how they work, their history, and how they shaped every watch dial and clock hand in the world today.

From the rhythmic sweep of a mechanical mainspring to the silent precision of quartz — discover how watch movements evolved across four generations of electronic innovation, and what that means for the timepiece on your wrist today.