Royal Observatory


Visitor notice: We are pleased to announce that Royal Museums Greenwich is reopening. To find out more about which sites will be open and how to plan your visit, click here.

Visit the Royal Observatory in Greenwich, London. Home of Greenwich Mean Time (GMT), the Prime Meridian of the world and London’s Planetarium.

Ready to explore again?

View of Cutty Sark looking towards Canary Wharf

Visit Cutty Sark

The world famous sailing ship is the first of our sites to open, with other attractions including the Royal Observatory opening soon. Book to see the beautiful Cutty Sark now, and escape to Greenwich this summer.

Visit now

Stand on the Prime Meridian at Royal Observatory Greenwich

Find out what's new

From pre-booked entry times to increased cleaning regimes, we are doing everything we can to ensure you have a safe and inspiring visit. Our staff will be ready to help answer any question you might have.

Find out more


Explore more online

The Royal Observatory and Planetarium will be ready to welcome you back very soon. Until then, find out how you can explore the wonders of space at home. You'll be surprised what you can discover online...

Join a virtual planetarium show

This month's highlights

Explore the fascinating mysteries of time and space

We are reopening

We can't wait to welcome you back to Royal Museums Greenwich. Find out everything you need to know ahead of your visit.

Welcome back


What our visitors say

'From the beginning of time to the movement of the stars.... from the navigation of the globe to the lives of the men and women that made it all possible.... it's here..... AND YOU CAN STRADDLE THE MERIDIAN.'
TeaWithQ, Trip Advisor