As parts of the world begin to ease their lockdowns, some people are looking back and finding the time in isolation seems to have gone surprisingly fast.
Fire sirens will sound and church bells ring out at midday around Ecuador to mark the launch of the government's campaign to eradicate sloppy timekeeping - a vice which it says is hampering the country's economy.
Scientists have found that each cell of the body has an internal "clock", which can be affected by various genes. Research in the Proceedings of the National Academy of Sciences shows that skin cells can be used to measure the speed of a person's body clock.
New discoveries into how the body clock works could provide clues to help combat jet lag, research suggests. The cells had been thought to be inactive during the day - but their research found the opposite was true.
Time, as we know it, could soon be in for a radical change. This week, scientists at the Royal Society are discussing whether we need to come up with a new definition of the world's time scale: Coordinated Universal Time (UTC).
The term circadian comes from the Latin circa, meaning "around" (or "approximately"), and diēm, meaning "day". The formal study of biological temporal rhythms, such as daily, tidal, weekly, seasonal, and annual rhythms, is called chronobiology.
Most animals have an internal body clock, or circadian rhythm, that lasts around 24 hours and is modified by the light-dark cycle of a day.
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Scientists and artists plan to build a 40m-wide lunar clock by the River Thames by 2012. The aim is to create a new London landmark close to the proposed Olympic stadium as a monument to a more natural way of marking time.
Scientists have come up with a theory for why time flies when you are having fun - and drags when you are bored. Scans have shown that patterns of activity in the brain change depending on how we focus on a task.
Imaginary time is a mathematical representation of time which appears in some approaches to special relativity and quantum mechanics. It finds uses in connecting quantum mechanics with statistical mechanics and in certain cosmological theories.
The late philosopher Robert Nozick, talking about the deep question of why there is something rather than nothing, quipped: "Someone who proposes a non-strange answer shows he didn't understand the question.
A team of physicists has claimed that our view of the early Universe may contain the signature of a time before the Big Bang. The discovery comes from studying the cosmic microwave background (CMB), light emitted when the Universe was just 400,000 years old.
On 8 September 1941, Nazi forces surrounded Leningrad from the west and south, and through Finland to the north. A thin strip of land across Lake Ladoga kept the residents in touch with the rest of Russia, but heavy shelling made it impossible to evacuate the population.