The British Sundial Society
The British Sundial Society takes an interest in all aspects of telling the time by the sun. The history, the art, the science and the making of sundials.
Members receive a quarterly publication with articles on all aspects of sundials. We have conferences and meetings round the UK which give a chance to meet other enthusiasts and explore this endlessly fascinating subject. Find out more about becoming a member.
Quick Links: Join the BSS - 2026 Conference - Design Awards 2025 - Latitude Finder - UK Sundials - Sundial Equations - Help & Advice
About Us / Join Us
Information about the history and purpose of the society, who's who, and how to join.
Information for members, including details of the latest conference and meetings.
2026 Annual Conference
Sundial Encyclopaedia
An extensive collection of sundial knowledge built up over more than 30 years.
There are over 1,500 articles devoted to sundials, comprising more than 3,800 pages. They have been written by over 300 different experts and enthusiasts from around the world for our quarterly journal, the Bulletin, since 1989.
Covering every aspect of the subject—from history, design, and construction to scientific research, mathematics, art, and cultural significance.
All freely available in PDF format, searchable and categorised.
Bridol
A comprehensive register of over 10,000 Fixed and Mass sundials, with pictures, information and location about publicly viewable sundials you can visit across the whole of the UK.
Sundial Makers
Contact details for people and companies who could make a bespoke sundial for you.
Latitude and Longitude finder
Use a map, your device's location or a search to find the latitude, longitude and timezone of anywhere in the world.
BSS Design Awards 2025
See the wide range of interesting and innovative dials entered into the 2025 Design Awards.
How Sundials Work
A detailed explanation of how sundials work, how to read a sundial and how to find North for setting up your own sundial.
Making Sundials
Various resources to help with making your own sundials, including several that you can print and assemble, an Armillary Equatorial Dial made from embroidery hoops, and details of how to calculate the correct angles for a sundial, either doing it yourself or using our online Sundial Angle Calculator.
Notable Sundials
A collection of interesting dials showing the wonderful creativity of sundial makers.