Royal Observatory Greenwich
Terhal
The site where the Prime Meridian (zero longitude line) passes through; visitors can literally stand with one foot in each hemisphere; an excellent panoramic view of London from the hill.
Plan the visit
Use this quick decision guide to place Royal Observatory Greenwich inside a realistic London day. The key variables are visit length, crowd level, booking needs and what is nearby—not a generic “must-see” label.
Before you go
- Recheck the official hours and price shortly before you go; both can change after our review date.
- Save the location offline and allow extra time at entrances during peak periods.
- Check the weather and carry sun or rain protection for the outdoor portion.
- Book through the official operator or a clearly identified authorized seller.
- Open the exact map location
Common questions
How long should I allow for Royal Observatory Greenwich?
Allow about 60–120 min. Add extra time for queues, security checks, photos and nearby stops.
Do I need to book Royal Observatory Greenwich?
Recommended. Availability and entry rules can change, so verify again close to your visit.
When is the best time to visit?
Afternoon is the most practical starting point in our itinerary data. Expected crowd level: Moderate crowds.
Best time to visit: afternoon · Expected crowd level: Medium · Not suited to a rainy day (a fully outdoor activity) · May not suit the winter season