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EST to IST Time Converter

Convert time from EST to IST. Enter any time to see the equivalent IST time, compare current EST and IST times side by side, and find overlapping business hours for calls and meetings.

est Eastern Standard Time
...
ist India Standard Time
...
Select a time to convert

est to ist Quick Facts

Use this EST to IST converter to compare US East Coast and India time, check the 10 hours and 30 minutes gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.

Time Difference
India Standard Time is 10 hours and 30 minutes ahead of Eastern Standard Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Normal business hours do not overlap well here, so test early-morning or late-evening compromise slots.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert est to ist

Converting between Eastern Standard Time and India Standard Time means accounting for a 10 hours and 30 minutes gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your est Time

Pick the date and time in Eastern Standard Time (UTC -5) that you want to convert. Hit "Now" to load the current est time instantly, or use "+1h" to step forward and compare.

Read the ist Result

The equivalent India Standard Time (UTC +5:30) time appears immediately. Since ist is 10 hours and 30 minutes ahead of est, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the ist result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our est to ist Converter

Align est–ist Meetings Instantly

With 10 hours and 30 minutes between est and ist, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.

Spot Date-Line Shifts at a Glance

Late-night est times can land on a different date in ist because of the 10 hours and 30 minutes offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

The half-hour offset between est (UTC -5) and ist (UTC +5:30) already makes mental math tricky — add Daylight Saving Time and the gap can shift further. This converter uses live UTC offsets, so you're always accurate.

Never Miss a est-Timed Event

Product launches, sports matches, and webinars are often announced in est. Convert the event time to ist so you know exactly when to tune in — with a 10 hours and 30 minutes difference, a morning event in United States falls during work hours in India.

est to ist Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Eastern Standard Time to India Standard Time full day schedule

12:00 AM
est
10:30 AM
ist
1:00 AM
est
11:30 AM
ist
2:00 AM
est
12:30 PM
ist
3:00 AM
est
1:30 PM
ist
4:00 AM
est
2:30 PM
ist
5:00 AM
est
3:30 PM
ist
6:00 AM
est
4:30 PM
ist
7:00 AM
est
5:30 PM
ist
8:00 AM
est
6:30 PM
ist
9:00 AM
est
7:30 PM
ist
10:00 AM
est
8:30 PM
ist
11:00 AM
est
9:30 PM
ist
12:00 PM
est
10:30 PM
ist
1:00 PM
est
11:30 PM
ist
2:00 PM
est
12:30 AM
ist
(next day)
3:00 PM
est
1:30 AM
ist
(next day)
4:00 PM
est
2:30 AM
ist
(next day)
5:00 PM
est
3:30 AM
ist
(next day)
6:00 PM
est
4:30 AM
ist
(next day)
7:00 PM
est
5:30 AM
ist
(next day)
8:00 PM
est
6:30 AM
ist
(next day)
9:00 PM
est
7:30 AM
ist
(next day)
10:00 PM
est
8:30 AM
ist
(next day)
11:00 PM
est
9:30 AM
ist
(next day)
Business-hours overlap

US East Coast to India — the IT services / VC bridge

The single most-scheduled cross-continental meeting slot on the web. The daily window that works for both sides: 8:30-10:00 AM ET (7-8:30 PM IST) — end of the Indian working day, start of the US one. Slack #standup channels between Bengaluru and New York default to this hour. Second usable window: 6:30-8:00 PM ET (4-5:30 AM IST — pre-dawn but the top 1% of IT vendor managers still take these calls). US East is 9.5 h behind IST (10.5 h during EDT). Diwali, US Thanksgiving, and Christmas week are the three windows to plan around.

The two zones in context

EST vs IST — cities and working rhythm

EST — Eastern Standard Time
Primary cities: New York, Toronto, Miami, Atlanta, Washington DC

US East Coast — the reference clock for US business, Wall Street, US law and consulting firms, most Fortune 500 HQ. Business hours 9 AM – 6 PM ET. Note: EST is the winter offset (UTC-5); EDT (UTC-4) is the summer offset — "ET" is the year-round non-committal way to refer to this zone in scheduling apps.

IST — India Standard Time
Primary cities: Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata

Indian business hours run 10 AM – 7 PM IST typically; IT / BPO shifts commonly extend to cover US and UK working hours, so 3:30 PM – 12:30 AM IST (US overlap) and 12:30 PM – 9 PM IST (UK overlap) are the two second shifts you see most often. Weekend is Saturday-Sunday for most private-sector employers.

Time gap: IST is 10.5 hours ahead of EST (standard-time offsets — daylight-saving flips shift this by an hour twice a year in most northern-hemisphere zones).