Скачать или смотреть Ramadan Moonsighting LIVE | 18 February 2026

Join Royal Observatory Greenwich and the New Crescent Society for a special live astronomy show, as we scan the skies searching for a glimpse of the new crescent Moon.

The sighting of a new crescent moon – when the Moon appears as a slim sliver of light in the sky – marks the beginning of a new month in the Islamic calendar.

In 2026, the holy month of Ramadan is expected to begin on the evening of 18 February in the UK. Director of the New Crescent Society Imad Ahmed and Royal Observatory astronomer Jake Foster will be presenting live from Greenwich, discussing the links between astronomy and Islam and giving tips for spotting the new crescent Moon yourself.

Meanwhile, members of the New Crescent Society will be calling in from around the UK, as we watch the skies and wait for a confirmed sighting.

Join us live online on the evening via Facebook and YouTube.

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The Royal Observatory is the home of Greenwich Mean Time (GMT), the historic Prime Meridian of the world and London’s Planetarium.
Our astronomy science learning and public engagement team is made of real astronomers who are also professional science communicators.

The Royal Observatory is part of Royal Museums Greenwich, along with the National Maritime Museum, Cutty Sark and Queen's House.

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