In Mysticism, Saturn entering Virgo, which occurs when the planet Saturn enters the constellation of Virgo, happens only once every thirty years.
It is believed to signal a shift towards themes like efficiency and improvement, and is expected to last for ~2.5 years.
For you, while being extra self-critical can seem exhausting at times, it is a great period of time to identify areas of your life that aren't working for you and come up with better ways of doing things that can lead to a stronger, healthier, and happier you.