Philippe Dufour Explains The Difference Between The (Civil) Time You See On Your Watch And The True Solar Time (Video) – Reprise
True solar time is measured by the position of the sun and can run up to 16 minutes ahead of and 14 minutes behind the time shown on our clocks and watches. Our friends at The Watches TV spent a day with Philippe Dufour to have a look at this phenomenon in a personal way.