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Just a second …

Do you ever find yourself wishing that there were more hours in the day? If so, you may be comforted to know that Tuesday, June 30, 2015 will actually be a little longer than normal this year; not by hours, but a single second – a leap second. This peculiar…

Summer Solstice 21 June

On 21 June we’re holding a day of events celebrating the Summer Solstice. As the longest day of the year approaches our Astronomer looks at what the Solstice means.  Because of their enormous distance from us the stars remain stationary with respect to each other (at least during the span…

A giant tool in the sky – testing general relativity

As we approach the Summer Solstice, our Curator of the Royal Observatory looks at how the sun was used nearly 100 years ago to test Einstein’s theory of general relativity.   It’s great to enjoy the sunshine and long hours of daylight at this time of year. As we approach the Summer…

Dates of Ramadan 2015

Here are the times for the first sighting and setting of the crescent moon at the beginning and end of Ramadan 2015 (1436 AH), according to data supplied by the HM Nautical Almanac Office. The times given here are for London, Manchester, Leeds and Glasgow. Ramadan Mubarak! Date (2015) Times of first…