Mohe is the northernmost city in China, but it lies south of the Arctic Circle. That distinction matters: the sun does not remain continuously above the horizon there, so calling the phenomenon a true polar day is inaccurate. Around the June solstice, daylight lasts much longer than in most parts of China, and the brief night may retain a glow at the horizon. This produces the white-night experience often promoted by local tourism, while preserving the difference between long twilight and a sun that never sets.
From the journal
Summer Light in Mohe: Long Days, Dusk and the Arctic-Circle Myth
Mohe has exceptionally long summer days, especially around the June solstice, but it lies south of the Arctic Circle and does not experience the true polar day. Its white nights and twilight are real phenomena that need no exaggeration.
In the same city · Greater Khingan Range Prefecture ↗Long daylight without a polar day
The solstice as a public occasion
Mohe marks the summer solstice with public events that bring performances, games and local tourism together. A 2026 municipal account describes gatherings at sites including Shenzhou North Pole Square, North Character Square, Golden Rooster Crown and Mokou Old Street. These event locations reveal how the city turns its northern identity into a sequence of shared urban spaces. The festival program gives residents and visitors a shared way to mark the season beneath Mohe’s lingering summer twilight.