London sundials
Hilly Fields Stone Circle is one of London sundials.

1. Hilly Fields Stone Circle

Hilly Fields, London, Greater London
Sculpture Garden · Ladywell · 2 tips and reviews

Kevan D.Kevan Davis: The month slab implies that this is an analemmatic sundial, but the twelve stones are spaced evenly in a full circle, so I'm not sure that this actually makes any sense.

Abbey Lane sundial is one of London sundials.

2. Abbey Lane sundial

Abbey Ln (Greenway), Stratford, Greater London
Sculpture Garden · 1 tip
Old Palace Yard is one of London sundials.

3. Old Palace Yard

Abingdon St, City of Westminster, Greater London
Plaza · No tips or reviews
Tower Hill London Underground Station is one of London sundials.

4. Tower Hill London Underground Station

Trinity Sq, Tower Hill, Greater London
Metro Station · 20 tips and reviews
St Katherine Docks sundial is one of London sundials.

5. St Katherine Docks sundial

7.3
St Katherine Docks, London, Greater London
Monument · St. Katharine's and Wapping · 1 tip
Horniman Museum and Gardens is one of London sundials.

6. Horniman Museum and Gardens

9.2
100 London Rd, Forest Hill, Greater London
Museum · Forest Hill, London, Greater London · 74 tips and reviews

Kevan D.Kevan Davis: There's a sundial trail running through the gardens and conservatory here, showcasing eleven different types of dial. http://www.sundials.co.uk/~hornimn.htm

Millennium Sundial is one of London sundials.

7. Millennium Sundial

Park Vista, London, Greater London
Sculpture Garden · Greenwich West · 1 tip
Tortoises with Triangle and Time is one of London sundials.

8. Tortoises with Triangle and Time

Abbotsbury Rd, London, Greater London
Outdoor Sculpture · Kensington and Chelsea · 2 tips and reviews