TED-Ed has two lessons that arent particularly about Daylight Saving Time however are related to the subject. Initially, The History of Keeping Time describes sundials, hourglasses, and the advancement of timezones. Second, How Did Trains Standardize Time in the United States? explains the function of railways in the development of the timezones used in the United States (and the majority of Canada) today.

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

The Telegraph has a 90 second description of Daylight Saving Time. The video does not have any narration so it can be seen without noise.

Like I do almost every time Daylight Saving Time ends or begins, I have collected together a handful of brief video explanations about why we have Daylight Saving Time. See and take a look if there is one that can assist you explain Daylight Saving Time to your trainees..
National Geographic has two videos titled 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 versions are ingrained below..

Daytime Saving Time ends today for much of my pals in Europe and it ends next Sunday for those people in North American states and provinces that observe Daylight Saving Time. As somebody who gets up early and resides in a northern state, I invite the change as Ill see the sun an hour earlier. And hopefully, my kids will make the most of the “extra” hour of time for sleeping next Saturday night.