61st parallel north
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This latitude also roughly corresponds to the minimum latitude in which civil twilight can last all night near the summer solstice.
Around the world
Starting at the Prime Meridian and heading eastwards, the parallel 61° north passes through:
- "Duration of Daylight/Darkness Table for One Year". U.S. Naval Observatory. 2019-09-24. Archived from the original on 2019-10-12. Retrieved 2021-03-10.