Timekeeping

what is International Date Line? 4 marks 2010

The International Date Line (IDL) is an imaginary line of longitude on the Earth’s surface located at about 180 degrees east (or west) of the Greenwich Meridian. The International Date Line separates two consecutive calendar days. Immediately to the left of the International Date Line (the date) is always one day ahead of the date … Read more

Early Civilizations and Astronomical Observations

Celestial Guides: Early Civilizations and Astronomical Observations The night sky, a vast tapestry of twinkling stars and celestial bodies, has captivated humanity since the dawn of civilization. For our ancestors, the heavens weren’t just a source of wonder; they were a vital tool for understanding the world around them. Early civilizations, lacking the modern conveniences … Read more