Can the passage of time marked by the light of a candle be equal to that marked by the light of an LED?

Clepsydris (aka clepsydra) is a table lamp designed and built by Kino Workshop; an experiment that seeks to imply a “point” of reflection in those who observe it and live it. In certain respects, it is anthropological research into the evolutionary history of mankind’s daily habits. A dichotomy between nature and artifice; places in contradiction and at the same time inextricably linked by a metaphysical sign.