Officially it is in the ‘first period of the year’, so many people can see it. Can you quickly get the dagen in when you want to go to Christmas and again? How come the next period will come? What kind of impact does this have on people and can it be done again? Onze HLN-wetenschapsexpert Martijn Peters light toe. “Vanaf vandaag gaat de zon elke dag happily weer wat later onder.”

ttn-39