EST to IST Converter

IST is 10 hours 30 minutes ahead of EST. During US daylight saving (EDT, March–November), the gap narrows to 9 hours 30 minutes.

Daylight saving note: During US EDT (March–November), the gap narrows from 10h 30m to 9h 30m. India never observes DST.

EST to IST Conversion Table

Full 24-hour reference table. Use the live clocks above for the exact current offset.

🇺🇸 EST🇮🇳 EST → ISTUTC-5 to UTC+5:30🇮🇳 EDT → ISTUTC-4 to UTC+5:30Note
00:0010:30 AM9:30 AM
01:0011:30 AM10:30 AM
02:0012:30 PM11:30 AM
03:001:30 PM12:30 PM
04:002:30 PM1:30 PM
05:003:30 PM2:30 PM
06:004:30 PM3:30 PM
07:005:30 PM4:30 PM
08:006:30 PM5:30 PM
09:007:30 PM6:30 PM
10:008:30 PM7:30 PM
11:009:30 PM8:30 PM
12:0010:30 PM9:30 PM
13:0011:30 PM10:30 PM
14:0012:30 AM11:30 PMnext day
15:001:30 AM12:30 AMnext day
16:002:30 AM1:30 AMnext day
17:003:30 AM2:30 AMnext day
18:004:30 AM3:30 AMnext day
19:005:30 AM4:30 AMnext day
20:006:30 AM5:30 AMnext day
21:007:30 AM6:30 AMnext day
22:008:30 AM7:30 AMnext day
23:009:30 AM8:30 AMnext day

* "next day" = converted time falls on the following calendar day.

Best Hours to Schedule Eastern Standard TimeIndia Standard Time Calls

The best daily window for US East Coast–India collaboration is 8:00–9:30 AM EST (6:30–8:00 PM IST). This is the only slot where both sides are in normal working hours. After 9:30 AM EST, India crosses 8:00 PM IST — late evening for most workers.

About Eastern Standard Time (EST)

Eastern Standard Time (EST, UTC-5) is the reference timezone for the US East Coast — New York, Boston, Miami, and Washington DC. From March to November, EST advances to EDT (UTC-4). This seasonal shift is the main variable in US-India scheduling.

About India Standard Time (IST)

India Standard Time (IST, UTC+5:30) is a single timezone covering the entire subcontinent — one of the largest single-timezone countries in the world. India does not observe daylight saving time, so IST stays at UTC+5:30 year-round. The half-hour offset (UTC+5:30 rather than UTC+5 or UTC+6) dates to 1905.

How to Avoid Eastern Standard TimeIndia Standard Time Conversion Mistakes

Use the live clocks and the table for different jobs. The live clocks show the current offset between Eastern Standard Time and India Standard Time. The table gives you a stable reference for planning common hours. If the page has more than one table column, pick the column that matches the season or DST state shown in the column label.

Daylight saving is the main trap. Some pairs stay fixed all year, while others move by one hour because only one side changes clocks, or because the two sides change on different dates. That is why this page keeps the daylight saving note near the live clocks and labels alternate table scenarios instead of hiding the offset change in a paragraph.

Always check the calendar date when the converted time lands near midnight. A late evening time in Eastern Standard Time can become the next day in India Standard Time, and an early morning time can still be the previous day. If the table marks "next day" or "prev day", include that date shift in the message or calendar invite.

Abbreviations can be ambiguous. ET can mean EST or EDT; London can be GMT or BST; Sydney can be AEST or AEDT. City names and IANA time zones are safer for exact scheduling than abbreviations alone. For recurring meetings, test the same local time once in January and once in July before you lock it in.

For one-off events, enter the exact date and time in the main time zone converter or meeting scheduler if the table does not show your hour. That keeps the answer tied to the correct daylight saving rule instead of a memorized offset.

When you share the result, write both local times in one line: "10:00 AM EST/ converted IST time." For client calls, flights, webinars, launches, and deadlines, also include the date. The extra wording feels repetitive, but it gives every recipient a second way to catch a timezone mistake before it becomes a missed meeting. It is especially helpful when someone forwards the invite to a third city.

Frequently Asked Questions

What is the EST to IST time difference?

IST is 10 hours 30 minutes ahead of EST. During US Eastern Daylight Time (EDT, March–November), the gap is 9 hours 30 minutes. India does not observe daylight saving, so the change comes entirely from the US side.

What time is 9 AM EST in IST?

9:00 AM EST is 7:30 PM IST during standard time. During US EDT, 9:00 AM EDT is 6:30 PM IST.

What is the best US-India meeting time from the US East Coast?

The best overlap is 8:00–9:30 AM EST (6:30–8:00 PM IST). Outside this window, one side is either before 8 AM or past 8 PM. Most US-India IT teams hold their daily sync in this slot.

Is IST ahead or behind EST?

IST is ahead of EST by 10.5 hours (9.5 hours during US EDT). When it is 9:00 AM in New York, it is 7:30 PM in India.

Related Conversions

IST to EST Converter
Reverse — convert India time to Eastern Time
UTC to IST Converter
Convert UTC to India Standard Time
UTC to EST Converter
Convert UTC to Eastern Standard Time
USA–India Time Difference
How many hours apart is the US from India?
EST to PST Converter
PST is always 3 hours behind EST. This gap never changes — both US coasts observe daylight saving on the same dates.
CST to EST Converter
EST is always 1 hour ahead of CST. This 1-hour gap never changes — both timezones shift clocks on the same day.
PST to IST Converter
IST is 13 hours 30 minutes ahead of PST. During US PDT (summer), the gap narrows to 12 hours 30 minutes.
GMT to IST Converter
IST is 5 hours 30 minutes ahead of GMT. During UK BST (summer), the gap narrows to 4 hours 30 minutes.
CST to IST Converter
IST is 11 hours 30 minutes ahead of CST. During US CDT (summer), the gap narrows to 10 hours 30 minutes.
New York to London Time Converter
London is 5 hours ahead of New York for most of the year. During short DST transition windows, the gap can briefly shrink to 4 hours.
New York to India Time Converter
India (IST) is 10 hours 30 minutes ahead of New York. During US daylight saving (EDT), the gap is 9 hours 30 minutes.
London to New York Time Converter
New York is 5 hours behind London. When it is noon in London, it is 7:00 AM in New York.
New York to Sydney Time Converter
Sydney is usually 14 to 16 hours ahead of New York, depending on whether the US or Australia is on daylight saving time.
USA to India Time Converter
India (IST) is 10 hours 30 minutes ahead of the US East Coast (EST). The gap is 11h 30m from Central, 12h 30m from Mountain, and 13h 30m from Pacific Time.
New York to Tokyo Time Converter
Tokyo is 14 hours ahead of New York (EST). During US daylight saving (EDT), the gap is 13 hours. Japan never changes its clocks.
New York to Berlin Time Converter
Berlin is 6 hours ahead of New York (EST) for most of the year.
New York to Paris Time Converter
Paris is 6 hours ahead of New York (EST) for most of the year.
Dubai to New York Time Converter
New York is 9 hours behind Dubai (GST). During US daylight saving (EDT), the gap narrows to 8 hours.
New York to Singapore Time Converter
Singapore is 13 hours ahead of New York (EST). During US daylight saving (EDT), the gap is 12 hours.
Berlin to New York Time Converter
New York is 6 hours behind Berlin (CET). When Berlin is at 3 PM, New York is at 9 AM.
Paris to New York Time Converter
New York is 6 hours behind Paris (CET). When Paris is at 3 PM, New York is at 9 AM.
Tokyo to New York Time Converter
New York is 14 hours behind Tokyo (JST). During US daylight saving (EDT), the gap narrows to 13 hours.
India to Dubai Time Converter
Dubai is 1 hour and 30 minutes behind India in the reference conversion table.
India to London Time Converter
London is 5 hours and 30 minutes behind India in the reference conversion table. Check the daylight saving note because the live gap can shift.