Eastern Time (ET) to India Standard Time (IST) Time Converter
What this converter helps you do
EST to IST is the backbone of the US-India outsourcing corridor. With a gap of nine and a half to ten and a half hours, this pair affects every offshore standup, client demo, and handoff between American companies and Indian development teams, BPO operations, and consulting firms.
India uses a fixed UTC+5:30 offset with no daylight saving time, which means the gap shifts only when the US changes clocks. The half-hour offset is unusual and catches people off guard when scheduling, making a date-aware converter essential for this corridor.
How it works
The tool applies IANA rules for America/New_York (EST/EDT) and Asia/Kolkata (IST, always UTC+5:30). The half-hour component in IST means converted times often land on the half-hour mark, not the top of the hour.
Why the half-hour matters: if a US standup is at 9:00 AM ET, the India equivalent is 6:30 PM or 7:30 PM IST depending on DST, not a round hour. Calendar invites that ignore the half-hour offset cause persistent scheduling confusion.
Limitation: the converter handles time accurately but does not account for Indian or US public holidays, which rarely align, or for company-specific shift schedules in Indian BPO and IT centres.
Practical use scenarios
- Schedule a daily standup that accommodates a New York team and a Bangalore development team.
- Find the IST equivalent of a US client demo scheduled in Eastern Time.
- Plan sprint handoffs so India morning picks up where US evening left off.
- Coordinate release windows with QA coverage in India and product oversight in the US.
- Check whether a late-evening IST call falls within acceptable US business hours.
Pair-specific planning notes
- India is UTC+5:30 year-round with no DST. The offset is 10.5 hours during US EST and 9.5 hours during EDT. The half-hour component means converted times rarely land on the hour.
- The practical overlap for live calls is roughly 8-11 AM ET / 6:30-9:30 PM IST during EST, or 8-11 AM ET / 5:30-8:30 PM IST during EDT. Evening calls in India are standard in this corridor.
- Many US-India teams use an alternating schedule where early-morning India calls and late-afternoon India calls rotate weekly to distribute the inconvenience.
Related tools
FAQ
India Standard Time is UTC+5:30, so converting from a round-hour US time always produces a half-hour result in IST. This is a feature of the timezone, not a bug in the converter.
Most teams use 8-10 AM ET, which is 6:30-8:30 PM IST (or 5:30-7:30 PM during US daylight saving). This keeps India within evening hours and the US within morning hours.
Yes. India does not observe DST, but the US does. When the US springs forward, the gap shrinks from 10.5 to 9.5 hours, moving Indian evening calls an hour earlier.
It gives you accurate time equivalents for any date, but shift scheduling also involves labour regulations, break rules, and holiday calendars that this tool does not cover.
Page last built: 2026-04-13.