IN these days of accurate clocks and watches no one thinks of using a sun dial to tell the time of day. At best such an instrument can be right but four times a year, and in many places it can ...

A new study suggests that medieval stone discs found in Ukraine were likely used by Vikings as solar compasses to navigate ...

Numerous ancient Egyptian obelisks remain standing today, most notably at Luxor Temple and the Karnak Temple complex. Some of ...

Manuelle Gautrand Architecture has designed the Sun Dial Apartment in Paris, France. "The ultimate objective was to maximise the flow of natural light through the space," said Manuelle Gautrand ...

Your watch or clock measures standard time. Your sundial records solar time, which is not the same. According to solar time, noon is when the sun is directly overhead. Even though noon in Boston ...