If it isnt as concise as the videos above, CGP Greys video description of Daylight Saving Time is still a great one even.

TED-Ed has 2 lessons that arent specifically about Daylight Saving Time however are related to the topic. The History of Keeping Time discusses sundials, hourglasses, and the advancement of timezones.

The Telegraph has a 90 second explanation of Daylight Saving Time. The video does not have any narrative so it can be viewed without sound.

Like I do nearly every time Daylight Saving Time begins or ends, I have gathered together a handful of short video descriptions about why we have Daylight Saving Time. Take a look and see if there is one that can help you describe Daylight Saving Time to your students..
National Geographic has two videos entitled Daylight Saving Time 101. The first one, released in 2015, is a bit more upbeat than the second one that was published in 2019. Both variations are ingrained below..

Daytime Saving Time ends today for a lot of my friends in Europe and it ends next Sunday for those of us in North American states and provinces that observe Daylight Saving Time. As someone who gets up early and resides in a northern state, I invite the change as Ill see the sun an hour previously. And ideally, my kids will make the most of the “additional” hour of time for sleeping next Saturday night.