India (IST, UTC+5:30) and US East Coast (EST/EDT, UTC-5 / UTC-4) are 9.5-10.5 hours apart. Convert any time between the two with DST automatically handled (DST changes the offset 4 times per year). Includes working-hours overlap visualization.
When to use this
Use for: Indian IT services teams scheduling calls with US East-coast clients (most US Fortune 500s headquartered there), Indian remote workers employed by US East-coast companies, US business owners outsourcing to Indian teams.
Frequently Asked Questions
What's the IST-EST overlap window?
During US EST (winter): India 6:30pm = US 8am. Mutual working hours overlap is roughly 6:30-9:30pm IST = 8-11am EST. During US EDT (summer): 5:30-8:30pm IST = 8-11am EDT. Use the visualization to confirm for your specific date.
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