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I'm GMT -5, so that might make scheduling tricky. I'm free during the weekdays after 6pm my time, so I could play at 10 or 11pm on Thursday or Friday. That would be 8 or 9 AM your time. Otherwise all day Saturday and Sunday would be fine.
GMT +9 is always 14 hours ahead of GMT -5. Are you sure you're still GMT +9? If you just had daylight savings, then you might be in a different GMT offset now.