To fix this the Royal Observatory decided to set a standard time that everyone could set clocks to. This was called Greenwich Mean time(GMT). GMT became the only official time used in the UK ...

In 1884, an international conference decided that the Prime Meridian, which runs through Greenwich, would be the starting point for timekeeping. The line runs through the Royal Observatory ...

First established by King Charles II and designed by Christopher Wren, The Royal Observatory in Greenwich Park was the first state-founded, purpose-built scientific institution in Britain.

Greenwich Park is set to dazzle this weekend ... On Saturday, December 21, the Royal Observatory and The Royal Parks host a Winter Solstice Festival, inviting visitors to mark the shortest day ...