High Latitude Hospitality
polar night was rough on those who weren't used to it. anders and wray had only moved up six months ago, back when the sun refused to go away.
The strength of the pack
The transport arced over shining emerald to red-grey deserts, darkening as they neared the polar night that gripped the planet's rich mineral belts. still, the air outside was not unpleasantly cold as he stepped down the extended gangplank.
The Finland Express - Part 1 - Rendezvous In Murmansk
Auvert knew that the polar night, that period above the arctic circle in winter when the sun does not rise at all, would not end for another twenty days, so it would be dark whenever they left.
Northbound (2017)
Along with the rest of the team, they worked all the way till sunset when they called it for a night. by seven-thirty the campsite was plunged almost into darkness. the sun had finally set, signaling the start of the polar winter.