I sat around in The Dust for at least five minutes before realizing that the shadows were never moving. I think I even gave it 10 minutes to do something, but the lighting never changed while I was standing there.
Does time really flow when you're just standing there? Or does time only flow during load screens?
Wii FC: 3351-9107-3724-8137 Name: PJ XBOX Gamertag/PSN ID/Nintendo ID: Vash8806
By observing the clock in Lynchwood, you'll note that, after 12:59 on the clock, it goes to 1:00, thus indicating that it's essentially a 12-hour in-game clock. You'll also see that the day/night cycle in the sky corresponds to what we typically expect as the "hours" pass.
In addition, for every second that passes out of the game, the minute ticks once on the clock. This tells us: