Convert IST to EST — Time Difference Between India Standard Time and Louisville
Drag the slider or click the time display to type a specific hour and instantly convert IST to EST — Louisville is 10:30 hours behind India Standard Time. Scroll down to browse the full IST to EST conversion table, check what time 9 AM, 10 AM, 11 AM, or 12 PM in Colombo is in Louisville, and use the date picker to compare times on any day for accurate scheduling.
IST
India Standard Time
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EST
Louisville
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IST to EST Time Zone Difference — Hour-by-Hour Conversion Table
Scan each row to find what time any hour in Colombo is in Louisville — tap the arrows to jump between days, click "Today" to reset, and use the color-coded bands to quickly spot overlapping work hours, early mornings, and late nights at a glance.
| IST (Colombo) | EST (Louisville) |
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How to Convert IST to EST
Drag the slider on the IST timeline to pick your time — the EST time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.
What Is the Time Difference Between IST and EST?
Louisville (EST) is 10:30 hours behind India Standard Time (IST). To convert, subtract 10:30 hours — for example, 9:00 AM IST is 10:30 PM (previous day) EST.
What Time Is It Now in Colombo?
What Time Is It Now in Louisville?
IST to EST Quick Reference
IST to EST Meeting Planner
Use the color-coded table above to find overlapping work hours between Colombo and Louisville. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.
Why Trust This IST to EST Converter?
Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.
India Standard Time
- Abbreviation
- IST
- UTC Offset
- UTC+5:30
- City
- Colombo
- Country
- Sri Lanka
Louisville
- Abbreviation
- EST
- UTC Offset
- UTC-5:00
- City
- Louisville
- Country
- United States