In my D&D game, I'm always bothered by the question "what time is it." It's weird to me that the characters would know that it's 3 pm. Instead, characters would probably look at things based on sunrise, midday, sundown, etc. I would love an in-game clock that is essentially a half circle with things like sunrise, midday, and sundown are spaced out along the circle. Time of day would be conveyed by the GM moving a hand to different areas of the half-circle. Perhaps it could work kind of like the turn order. Click a button, the clock appears, GM can adjust it, exit out of it to hide the clock. Got the idea from this https://www.reddit.com/r/DnD/comments/75ywmy/oc_i_was_sick_of_telling_my_players_what_hour_of/
my apologies if posting a link is against any guidelines. Didn't notice anything prohibiting it, just wanted to clarify my description of the feature by showing the image.