Live Hourglass: A Sand Clock That Turns Every Hour
Watch an interactive hourglass turn at each UTC hour, with a shared sand level, countdown and count of turns.
One hour, shared by every visitor
The hourglass follows the same corrected clock as the other gallery exhibits. It turns for twelve seconds at the start of every UTC hour, then the sand runs until the next hour. Opening a new tab does not restart it.
The UTC hour and next-turn countdown identify the present cycle. The turn counter starts at 00:00 UTC on 25 October 2026 and advances once per hour. It counts clock cycles, not visits.
Look around without changing time
Drag to turn the view, scroll or pinch to inspect the glass, or choose View to look closer at the sand. Reset view returns to the whole hourglass. Those controls change the camera; they do not move the clock.
This is a digital artwork. The shape of the sand illustrates its remaining fraction; it is not a simulation of individual grain collisions. Compare this hourly rhythm with the changing shadow of the sundial.
