![Royal Observatory Greenwich, with it s time ball raised & about to drop to signal 1PM Stock Photo - Alamy Royal Observatory Greenwich, with it s time ball raised & about to drop to signal 1PM Stock Photo - Alamy](https://c8.alamy.com/comp/C12RK1/royal-observatory-greenwich-with-it-s-time-ball-raised-about-to-drop-C12RK1.jpg)
Royal Observatory Greenwich, with it s time ball raised & about to drop to signal 1PM Stock Photo - Alamy
![A Time Ball with Weathervane Sits Atop the Octagon Room of Flamstead House at the Royal Observatory Greenwich, London England UK Stock Image - Image of greenwich, history: 154729507 A Time Ball with Weathervane Sits Atop the Octagon Room of Flamstead House at the Royal Observatory Greenwich, London England UK Stock Image - Image of greenwich, history: 154729507](https://thumbs.dreamstime.com/z/time-ball-weathervane-sits-atop-octagon-room-flamstead-house-royal-observatory-greenwich-london-england-uk-154729507.jpg)
A Time Ball with Weathervane Sits Atop the Octagon Room of Flamstead House at the Royal Observatory Greenwich, London England UK Stock Image - Image of greenwich, history: 154729507
Royal Museums Greenwich - Did you know, the red Time Ball, positioned on top of Flamsteed House at the Royal Observatory is one of the world's earliest public time signals? It distributed
![The famous time-ball that drops in Manhattan on New Year's Eve has its origins in the British Royal Observatory! - Wilton Historical Society The famous time-ball that drops in Manhattan on New Year's Eve has its origins in the British Royal Observatory! - Wilton Historical Society](http://wiltonhistorical.org/wp-content/uploads/2017/01/Time-Balls-New-Years-Eve.jpg)
The famous time-ball that drops in Manhattan on New Year's Eve has its origins in the British Royal Observatory! - Wilton Historical Society
![Watch the bright red time ball at Royal Greenwich Observatory drop at 1pm – a tradition since 1833 #London #Travel | 5 things to do today Watch the bright red time ball at Royal Greenwich Observatory drop at 1pm – a tradition since 1833 #London #Travel | 5 things to do today](https://i0.wp.com/5thingstodotoday.com/wp-content/uploads/2019/06/IMG_20190617_122851.jpg?fit=4032%2C3024&ssl=1)