What a great concept (and execution!). This really required a bold use of contrast to pull off the feel of this time of day and you made it look awesome - just right, and interesting to look at. Also, thanks for creating something illustrating a very specific time of the natural day without involving Celestia or Luna - it turns out to be refreshing.
Yeah; the second hardest part was probably to get her to tone down the commentary. As a drill sergeant, she has few equals. As a supportive adviser, she needs a lot of work.
A lovely moment captured on the page there, Geo. I think you've managed to do a job with the characters and the background, especially the high-contrast moment of dawn. Well done and I hope that we see something like this in the show!