The train station in Paris from which the Eurostar service departs for London is "la gare du Nord"
Gare du Nord railway station.
St Pancras International, using Eurostar services.
St Pancras International for the Eurostar train.
The first train departing from Paris 6:43 am arrives in London St Pancras at 8:12 am.
To catch a train before 09:00, you would need to board the 08:19 from Waterloo - which would get you into Paris by 11:47.
Eurostar
Yes
the Eurostar arrives at London Saint Pancras.
London Paddington. Catch a train heading for Bristol Temple Meads.
Eurostar from Gare du Nord
London St Pancras International - Paris takes about 2hr 15 min
Glasgow/London/Paris 7 hours 36 minutes
You can't travel directly from Gatwick to Paris by train. You will have to take a train to London St Pancras and then get on another train to Paris. Unbelievably, you can't fly from Gatwick Airport to Paris either.
Yes, a train to London and then get a connection to Paris via the Channel Tunnel
The Eurostar travels between London and Paris, and between London and Brussels. It does not travel between Paris and Geneva.