Time and time zones

In this post I’ll talk about the measurement of time and the use of time zones throughout the world. This is particularly topical at this time of year.  In the early hours of Sunday 27 October the clocks go back an hour throughout the EU as Europe switches to winter time. The natural day There… Continue reading Time and time zones

The September equinox

In 2019 September 23 is the date of the September equinox and is also the first day of autumn (or the first day of spring if you're one of my readers in the Southern Hemisphere). In this post I’ll talk about the equinoxes and discus the commonly held view that they are the two days in… Continue reading The September equinox

Summer twilight

For those of us in the Northern Hemisphere we are at the time of year when there is the most daylight. In this post I’ll talk about the long long summer evenings: not only does the Sun set later at this time of year but the amount of twilight, when the Sun has set but… Continue reading Summer twilight

Easter – 21 April 2019

This year, for the majority of Christians, 21 April is Easter Sunday, one of the most important dates in the Christian calendar. Although Easter is a is a festival celebrating the resurrection of Jesus Christ from the dead, it is also widely marked by non-Christians in the UK, particularly as there are two very welcome public holidays on the preceding… Continue reading Easter – 21 April 2019

December 21 2018 – the solstice

This year, the northern hemisphere winter solstice will fall on 21 December in Britain.  On this date there are the fewest hours of daylight and the Sun is at its lowest maximum elevation. The origin of the word solstice is from two Latin words:  sol, which means Sun, and sistere, to stand still. At the time of the winter… Continue reading December 21 2018 – the solstice