Frequency: Every morning in-game
World name: Lich
Character name: Tysilio Leorei
In-game time: From 7:00 to 11:30 ET
Area and coordinates: Radz-at-Han at X7.7, Y9.4

My graphics settings are set to Maximum.
Steps:
1. Go to Radz-at-Han at coordinates X7.7, Y9.4 during the morning (from 7 to 11:30 ET)
2. Get inside the building and look at the door from the inside
3. You'll see the sunlight clipping through the door frame and a part of the walls