India Standard Time to US Eastern Time
Convert times between India Standard Time (IST, UTC+5:30) and US Eastern Time (EST, UTC-5:00). US Eastern Time is 10.5 hours behind India Standard Time in standard time. During daylight saving time this difference changes to 9.5 hours.
UTC+5:30→UTC-5:00 / -4:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| India Standard Time | IST | UTC+5:30 | — | India |
| US Eastern Time | EST / EDT | UTC-5:00 | UTC-4:00 | United States |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (IST → EST)
| India Standard Time | US Eastern Time |
|---|---|
| 12:00 AM IST | 1.5:00 PM (prev day) EST |
| 6:00 AM IST | 7.5:00 PM (prev day) EST |
| 9:00 AM IST | 10.5:00 PM (prev day) EST |
| 12:00 PM IST | 1.5:00 AM EST |
| 3:00 PM IST | 4.5:00 AM EST |
| 6:00 PM IST | 7.5:00 AM EST |
| 9:00 PM IST | 10.5:00 AM EST |
Summer (DST) Conversion (IST → EDT)
| India Standard Time (summer) | US Eastern Time (summer) |
|---|---|
| 12:00 AM IST | 2.5:00 PM (prev day) EDT |
| 6:00 AM IST | 8.5:00 PM (prev day) EDT |
| 9:00 AM IST | 11.5:00 PM (prev day) EDT |
| 12:00 PM IST | 2.5:00 AM EDT |
| 3:00 PM IST | 5.5:00 AM EDT |
| 6:00 PM IST | 8.5:00 AM EDT |
| 9:00 PM IST | 11.5:00 AM EDT |
Daylight Saving Time (DST) Notes
- US Eastern Time observes DST. Clocks advance 1 hour to EDT (UTC-4:00) roughly from month 3 to 11.
- The offset difference shifts between 10.5h (standard) and 9.5h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert IST to EST?
Add (-10.5) hours to the IST time to get EST. For example, 9:00 AM IST = 10.5:00 PM EST.
What is the current UTC offset for India Standard Time?
India Standard Time is always UTC+5:30 (IST) — it does not observe DST.
Is US Eastern Time ahead or behind India Standard Time?
US Eastern Time is 10.5 hours behind India Standard Time in standard time.
When is a good time to schedule a meeting between IST and EST?
Due to the 10.5-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.
Related Timezone Conversions
India Standard Time → US Central TimeIST / CSTIndia Standard Time → US Mountain TimeIST / MSTIndia Standard Time → US Pacific TimeIST / PSTIndia Standard Time → US Alaska TimeIST / AKSTIndia Standard Time → Hawaii TimeIST / HSTIndia Standard Time → Canada Atlantic TimeIST / ASTIndia Standard Time → Pakistan Standard TimeIST / PKTIndia Standard Time → Bangladesh Standard TimeIST / BST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.