Austin is typically 15 hours behind Tokyo. When it's 11:00 PM in Tokyo, it's 8:00 AM the same day in Austin. Japan does not observe daylight saving time, but Austin does.
During US daylight saving time (March to November), the difference is 14 hours. During US standard time (November to March), the difference increases to 15 hours.
Optimal meeting window: 5:00 AM - 7:00 AM Austin time (7:00 PM - 9:00 PM Tokyo, or 8:00 PM - 10:00 PM in winter). Very early morning Austin catches evening Tokyo.
Austin's tech scene has connections to Japanese gaming and semiconductor industries. Toyota's North American headquarters is nearby in the Dallas area.