What is the time difference between New York and India?

India Standard Time (IST, UTC+5:30) is 10.5 hours ahead of New York (Eastern Time, UTC-5) during standard time and 9.5 hours ahead during US daylight saving time. The half-hour offset means conversions never land on the hour.

Why does India have a half-hour time zone offset?

India adopted UTC+5:30 as a single national time zone to split the difference between the country's geographic east and west extremes. The half-hour offset keeps solar noon reasonably centered for the majority of the population.

What is the best meeting time between California and India?

The most popular window is 7:00 AM–9:00 AM Pacific, which is 8:30 PM–10:30 PM IST. Alternatively, 6:00 PM–8:00 PM Pacific catches 7:30 AM–9:30 AM IST the next morning, which is easier to sustain long-term for the US side.

Best Meeting Times Between the US and India

April 9, 2026

The US-India corridor is one of the busiest in global business, connecting technology hubs, financial centers, and outsourcing operations across a gap of 9.5 to 13.5 hours. India’s half-hour offset adds a wrinkle that catches newcomers off guard, but the overlap windows are more workable than many teams expect.

Understanding the US-India Time Gap

India operates on a single time zone: IST (UTC+5:30). It does not observe daylight saving time, so the offset is fixed year-round. The US side is the variable: during Eastern Standard Time (UTC−5), New York is 10.5 hours behind Mumbai. When the US switches to Eastern Daylight Time (UTC−4) in mid-March, the gap shrinks to 9.5 hours. For the West Coast, add three more hours: San Francisco to Mumbai is 13.5 hours during PST and 12.5 hours during PDT.

See your US-India overlap hours

Enter your US and Indian cities to see exact overlap hours, automatically adjusted for the half-hour IST offset and current US DST rules.

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Note

The half-hour offset means that conversions never land on round hours. When it is 9:00 AM in New York, it is 7:30 PM in Mumbai (during EDT) or 7:30 PM the previous arrangement during EST. Train yourself to think in :30 increments when scheduling with Indian colleagues, and always double-check by converting both directions.

Overlap Windows: East Coast and India

Morning Eastern Window

The most popular US-India meeting window centers on the US morning. During EDT, 8:00 AM–10:00 AM Eastern corresponds to 5:30 PM–7:30 PM IST. During EST, the same US times map to 6:30 PM–8:30 PM IST. This window works because the US side is fresh at the start of their day, while the Indian side is wrapping up theirs. The key constraint is the Indian evening: pushing past 7:30 PM IST cuts into personal time and risks lower attendance.

Tip

For East Coast–India pairings, 9:00 AM ET is the single best default meeting time. During EDT it maps to 6:30 PM IST—late but manageable. During EST it maps to 7:30 PM IST, which is the outer edge. If your team finds 7:30 PM IST too late in winter, shift to 8:00 AM ET (6:30 PM IST) for those months.

Evening Eastern Window

The alternative is for the US team to take a late-day meeting. During EDT, 8:30 PM Eastern corresponds to 6:00 AM IST the next morning, and 9:30 PM Eastern maps to 7:00 AM IST. This catches the Indian team at the very start of their workday and is popular with US managers who prefer giving India their morning context before the day’s work begins. The downside is obvious: 8:30 PM–9:30 PM meetings are hard to sustain, especially for US team members with families.

New York ↔ Mumbai Meeting PlannerSee hour-by-hour overlap between New York and Mumbai working hours.

Overlap Windows: West Coast and India

San Francisco to Mumbai is 12.5–13.5 hours, making it one of the most challenging common business pairings. During PDT, 7:00 AM Pacific maps to 7:30 PM IST, and 9:00 AM Pacific maps to 9:30 PM IST—already too late for most Indian colleagues. The practical morning window is just 6:30 AM–8:00 AM Pacific (7:00 PM–8:30 PM IST).

The evening Pacific alternative is more sustainable: 6:00 PM Pacific corresponds to 6:30 AM IST (during PDT), catching India at the start of their day. Teams that adopt this pattern often find it works better long-term because neither side is at an extreme hour. The US team finishes their workday with a handoff call, and the Indian team starts theirs with clear direction.

Example

A San Jose engineering team and their Bangalore counterpart adopted a “sunrise sync” pattern: 6:30 PM Pacific (7:00 AM IST) every weekday for 15 minutes. The California engineers used the call to hand off blockers and decisions from their day. The Bangalore team used it to clarify priorities before diving in. After six months, both teams rated the rhythm as their most effective collaboration practice, despite initial skepticism about late-day meetings.

The Half-Hour Offset in Practice

India’s :30 offset is more than a curiosity—it has practical scheduling consequences. Calendar invites at round hours (9:00 AM, 10:00 AM) will always land at half-hour marks in India (6:30 PM, 7:30 PM IST during EDT). This is fine for scheduled meetings, but it can confuse ad-hoc calls. If an Indian colleague says “let’s talk at 7 PM IST,” that means 9:30 AM ET during EDT or 8:30 AM ET during EST—not 9:00 or 8:00.

When publishing shared schedules or deadlines, always specify both local times explicitly. Writing “9:00 AM ET / 6:30 PM IST” in a meeting invite title eliminates the mental math and prevents the most common source of no-shows in US-India teams.

Plan your US-India schedule visually

Add your US and Indian cities, compare clocks in real time, and share a proposed meeting window with your team.

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DST: The US Shifts, India Stays Put

India does not observe daylight saving time, so the entire DST burden falls on the US side. When the US springs forward in mid-March, the gap shrinks by one hour. When the US falls back in early November, it widens again. This means a meeting that works at 9:00 AM ET / 6:30 PM IST in summer becomes 9:00 AM ET / 7:30 PM IST in winter—an hour later for the Indian team.

Note

Many US-India teams shift their meeting time by 30 minutes or an hour when the US clocks change, keeping the Indian time constant. For example, moving from 9:00 AM ET in summer to 8:00 AM ET in winter keeps the Indian side at roughly 6:30 PM IST year-round. Communicate the change clearly at least a week before the transition.

Scheduling Patterns That Work

Pattern 1: Morning Standup. A brief daily sync at 9:00 AM–9:30 AM ET (6:30 PM–7:00 PM IST during EDT). The US team kicks off their day with overnight updates, and the Indian team wraps up with a clean handoff.

Pattern 2: Split Overlap. Two short touchpoints per day: one at 8:00 AM ET (5:30 PM IST) and another at 9:00 PM ET (6:30 AM IST the next day). This creates bookend syncs that minimize the time any question sits unanswered.

Pattern 3: The Midpoint. A single weekly meeting at 8:30 PM ET (6:00 AM IST), splitting the discomfort evenly. This works best for leadership syncs where both sides are willing to flex.

Time Zone ConverterConvert specific times between US and Indian cities, with automatic handling of the half-hour IST offset.

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Frequently Asked Questions

What is the time difference between New York and India?: India Standard Time (IST, UTC+5:30) is 10.5 hours ahead of New York (Eastern Time, UTC-5) during standard time and 9.5 hours ahead during US daylight saving time. The half-hour offset means conversions never land on the hour.
Why does India have a half-hour time zone offset?: India adopted UTC+5:30 as a single national time zone to split the difference between the country's geographic east and west extremes. The half-hour offset keeps solar noon reasonably centered for the majority of the population.
What is the best meeting time between California and India?: The most popular window is 7:00 AM–9:00 AM Pacific, which is 8:30 PM–10:30 PM IST. Alternatively, 6:00 PM–8:00 PM Pacific catches 7:30 AM–9:30 AM IST the next morning, which is easier to sustain long-term for the US side.