Millennium Sundial — Attraction in London

I don’t understand people giving 5-star to this, to me this is an embarrassment to science, why? Read this:

The sundial’s placement and significance within the park is to signify GMT, the basis of the world time clock, defining the exact time and date. However – ironically – due to errors in the dials construction, it shows noon anywhere between 17 and 15 minutes early. It is around 3½º skew to the Meridian in an anticlockwise direction. The hour markers are also incorrectly placed, although and the shadow is sometimes too short to reach to reveal this mistake.

This photo was taken at 18:30 which shows 16:30 so you figure how off...

The Millennium Sundial is a unique feature of Greenwich Park, located close to the boating pond and playground. It’s a large, beautifully designed sundial that uses the sun’s shadow to tell the time. It also has fascinating engravings, including zodiac signs and months, making it both decorative and educational. However, I don't know about its...

A free alternative for the budget conscious traveller to the green meridian line paywalled behind the Royal Observatory just a short ways up the hill. Unfortunately from what I can tell the time reading is incorrect and lagged behind by...