Why is the one o'clock gun fired?

The One O'Clock Gun in Edinburgh, Scotland, is fired daily at 1 PM as a time signal for ships in the harbor and for the general public. Originally, it was established in 1861 to help sailors set their chronometers accurately. The tradition continues today, providing a historic and iconic event that attracts visitors to the city. The gun is fired from Edinburgh Castle, serving as a reminder of the city’s maritime history.