Time is one of humanity’s oldest obsessions. From the rising sun to the ticking of modern atomic clocks, our journey of measuring and mastering time reflects both scientific progress and cultural change. Let’s take a journey through history to see how humans learned to keep track of the hours. 🌞 Sundials – The First Shadows of Time The earliest timekeepers were sundials , dating back to ancient Egypt around 1500 BCE. By observing the shadow cast by a stick or pillar, people could divide the day into segments. Strength: Simple and effective in sunny regions. Limitation: Useless at night or on cloudy days. ⏳ Water Clocks and Sandglasses – Time in Flow Civilizations like the Egyptians, Greeks, and Chinese developed water clocks (clepsydra) to measure time by the steady flow of water. Similarly, sandglasses measured intervals with falling grains of sand. Strength: Worked without sunlight. Limitation: Needed constant refilling and not very precise. 🕰️...