The accident was at 10:56 Moscow Time. At 10:56 the Sun is very high over the horizon, just over one hour away from its highest point during the day. The Sun seen in the clip is low because it's going sleepy. The scene is late afternoon.
The video has the plane in it, in case you forget, and plane did not fly in the afternoon. Video shows high light, consistent with the time of flight. Some traces of fog are visible but nothing llto the extent characterized in reports. Pause and do full screen view. Rewind and pause again if necessary for brain to process. Repeat if required.