0 degrees longitude
90 degrees west
The Prime Meridian is a line of longitude, and it sits at 0 degrees longitude.
The prime meridian is a line of longitude, not a specific location. Therefore, it does not have a specific temperature. Temperatures along the prime meridian will vary depending on the actual location on the line.
The line of longitude for a place that is halfway between the prime meridian and the 80th line of longitude and west of the prime meridian would be -40 degrees longitude. The prime meridian is at 0 degrees, and halfway between 0 and 80 is 40 degrees. Since the location is west of the prime meridian, the longitude would be measured as negative.
london
The Prime Meridian is an imaginary line from which angles east and west are measured in order to help define and describe locations. The angle thus measured is called the location's 'longitude'.
This imaginary circle is called the prime meridian. it is an imaginary line that circles the globe vertically and is typically measured as beginning in Greenwich, England.
The exact location of the meridian in Swavesey village is not specified. However, it is likely that the meridian line in Swavesey village would be in line with the Prime Meridian that runs in Greenwich, London. You may want to use a GPS or mapping tool to pinpoint the specific location in Swavesey.
The line name at 0 degrees longitude is commonly referred to as the Prime Meridian. This line passes through Greenwich, London, United Kingdom and can also be referred to as the International Meridian or Greenwich Meridian.
Prime Meridian
Greenwich and Paris are both east and west of the prime meridian. Greenwich, England is the location of the Prime Meridian (0° longitude), while Paris, France is located to the east of this reference line.
The Prime Meridian is the line of zero longitude that passes through the Royal Observatory, Greenwich, UK. Lines of longitude radiates outwards from the prime meridian towards the west and east. Latitude and longitude enable a location to be fixed on the Earth.