Jupiter and Saturn Align Conjunction 2020/Christmas Star

The video discusses the rare conjunction of Jupiter and Saturn, forming a visible double planet for the first time in 800 years. This event, occurring on December 21st, 2020, coincides with the winter solstice. The conjunction is notable for its closeness, last seen in 12126. Viewers in the Northern Hemisphere can observe it in the southwestern sky after sunset. Jupiter and Saturn's orbits are explained, highlighting their alignment every 20 years, but this close approach won't happen again until 2400.

Where should one look to observe the conjunction of Jupiter and Saturn in the Northern Hemisphere?

What is the significance of the conjunction of Jupiter and Saturn in terms of visibility?