Your best bet is to go to the Heroes Charge forum and start complaining to the mods there, seems to get results sooner or later
Ragnarok: 6-6:50; Guild Warfare: 7-7:30 (No Change)
Ragnarok: 5-5:50; Guild Warfare: 6-6:30 (1 hour earlier)
Ragnarok: 7-7:50; Guild Warfare: 8-8:30 (1 hour later)
Ragnarok: 8-8:50; Guild Warfare: 9-9:30 (2 hours later)
Your best bet is to go to the Heroes Charge forum and start complaining to the mods there, seems to get results sooner or later