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NTU Physics Public Christmas Lecture - How has the Sun affected our calendar?


Image of Earth from space

Speaker: Dr Ian Whittaker, Nottingham Trent University

We all know that Christmas day is December 25th - but has it always been?

A number of winter holiday dates, both secular and religious, reside in December, and we will be looking at their origins and why this happens from a space physics perspective.

We will take a look at different types of calendars and the controversy of the tax year – all related to the position and rotation of the Earth in the solar system.

This talk is open to all and you do not need to have any prior knowledge – there will also be no equations!

The venue at Nottingham Trent University Clifton Campus is accessible via public transport - see maps and directions here.