New York is typically 10 hours and 30 minutes behind Mumbai. When it's 3:00 PM in Mumbai, it's 4:30 AM in New York. India uses a unique UTC+5:30 offset and does not observe daylight saving time.
During US daylight saving time (mid-March to early November), the difference is 9 hours 30 minutes. During US standard time (November to March), it's 10 hours 30 minutes.
Optimal meeting window: 7:00 AM - 9:00 AM New York time (5:30 PM - 7:30 PM Mumbai). This catches evening hours in Mumbai while being morning in New York.
Many Wall Street firms and consulting companies schedule India calls in this early morning window.