Every year, on July 8, at 1:15 pm Paris time, something exceptional happens. This is when the smallest part of the world’s population is plunged into darkness. Only 1%.
Surprising information has been circulating online in recent days. We are told that this Friday, July 8, at exactly 1.15pm Paris time, 99% of thesomewhere will still be the rising and setting of . This July 8, finally like everyone else!
Every July 8, at 11:15 UTC, 99% of the world’s population experiences daylight. This day should have a name and it should be a holiday. pic.twitter.com/4BcDS4MHKy
– The Decolonial Atlas (@decolonialatlas) July 7, 2021
But the information deserves some clarification. First of all, note that in fact, this Friday, July 8, 2022, at 1:15 pm, almost all of the most populated regions of the world will receive their share of the sun. North America, South America, Europe, Africa and much of Asia. Eventually only Australia, New Zealand, parts of Southeast Asia and Antarctica will be. Regions where only about 80 million people live. This is about 1% of the world population.
Between day and night, twilight
But note all the same that this doesn’t mean 99% of the population will be sunlit. A closer look shows that 83% of us will actually be in broad daylight. The 16% missing to reach the stirring figure will be hit by amore indirect. They will be immersed in a .
Abecause there are actually three phases of twilight. The darkest, what scientists call astronomical twilight, feels like night. The which then comes from a sun placed between 12 and 18 ° below the horizon is so weak that it is not perceptible human. And 3% of the world’s population will be in this situation on Friday 8 July at 1.15pm.
People living in regions bathed in so-called nautical twilight – with the sun between 6 and 12 ° below the horizon – will only be able to distinguish with night if they are in non-urban areas. Away from therecity. Finally, people affected by civil twilight will be able to perceive the light of day.