Seattle is typically 13.5 hours behind Mumbai. When it's 11:30 PM in Mumbai, it's 10:00 AM the same day in Seattle. India uses UTC+5:30, creating the half-hour offset. India does not observe daylight saving time, but Seattle does.
During US daylight saving time (March to November), the difference is 12.5 hours. During US standard time (November to March), the difference increases to 13.5 hours.
Optimal meeting window: 5:00 AM - 7:00 AM Seattle time (6:30 PM - 8:30 PM Mumbai, or 7:30 PM - 9:30 PM in winter). Early morning Seattle catches evening Mumbai.
Seattle's tech giants like Microsoft and Amazon employ many engineers from India and have extensive development centers in Mumbai and Bangalore.