The 61st parallel south is a circle of latitude that is 61 degrees south of the Earth's equatorial plane. No land lies on the parallel — it crosses nothing but the Southern Ocean.
At this latitude the sun is visible for 19 hours, 16 minutes during the December solstice and 5 hours, 32 minutes during the June solstice.
61st parallel south Wikipedia
Starting at the Prime Meridian and heading eastwards, the parallel 61° south passes through: