Atlanta is typically 10.5 hours behind Mumbai. When it's 8:30 PM in Mumbai, it's 10:00 AM the same day in Atlanta. India uses UTC+5:30, creating a half-hour offset. India does not observe daylight saving time, but Atlanta does.
During US daylight saving time (March to November), the difference is 9.5 hours. During US standard time (November to March), the difference increases to 10.5 hours.
Optimal meeting window: 8:00 AM - 10:00 AM Atlanta time (6:30 PM - 8:30 PM Mumbai, or 7:30 PM - 9:30 PM in winter). Morning Atlanta catches evening Mumbai.
Atlanta has a large and growing Indian-American community, and many Fortune 500 companies headquartered in Atlanta have significant operations in Mumbai's financial district.