Dallas is typically 15 hours behind Tokyo. When it's 10:00 PM in Tokyo, it's 7:00 AM in Dallas. Japan does not observe daylight saving time, but Dallas 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: 6:00 AM - 8:00 AM Dallas time (8:00 PM - 10:00 PM Tokyo, or 9:00 PM - 11:00 PM in winter). Early morning Dallas catches evening Tokyo.
Dallas has significant Japanese business presence, particularly in the automotive and electronics sectors.