This is described in most places as the “Great Conjunction” because it doesn’t happen very often. The closest approach of Jupiter and Saturn in the sky (they’re a long way apart, but almost in the same direction) is today. It’s cloudy though, so here’s a photo from yesterday. They don’t get much closer.
Here’s what they looked like on 14 December:
On the same scale, here’s yesterday’s photo from earlier in the evening than the heading photo, so you can see the relative movement on the sky in 6 days: