A solar day is a measure of how long it takes the Earth to rotate from one noon to the next, and today's summer solstice also happens to be the longest solar day of the year.
Lighter mornings set off a vital biological chain reaction that sets you up for the day.
Time is fixed, but people experience hours, months and days in very different ways. One researcher has spent decades exploring this universal phenomenon.
2016 has been a long year, but it'll be made slightly longer care of a leap second. But why do we need such things?
Maybe you shouldn’t meet at that time and place? Research shows that the clock and the calendar can be a drag on leisurely activities.
Measuring time is a crucial part of navigation – particularly in space, where exacting precision is called for. The DSAC is poised to make a change that will aid future deep space missions.
From sundials to atomic clocks, a journey through the way humans have measured time.
A podcast on time: telling it, perceiving it, doing it and travelling through it.