@TeamYouTube i can’t see the dates these videos in a playlist were posted on.pic.twitter.com/C8jKncQHan
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
You'll be able to see the video upload time once you click on the video. You can share your thoughts about the same here: https://goo.gl/1ckkO5
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.