IST to EST: Indian Standard Time to Eastern Time

Indian Standard Time (IST) is 10.5 hours ahead of Eastern Standard Time (EST). During the summer months, Eastern Time shifts to EDT, narrowing the gap to 9.5 hours. This substantial difference makes real-time syncs difficult, but highly structured handoffs can optimize offshore velocity.

Standard Conversions Lookup

• 9:00 AM EST (New York) = 7:30 PM IST (Mumbai/Delhi)
• 12:00 PM EST = 10:30 PM IST
• 9:00 AM IST = 10:30 PM EST (previous day)
• 6:00 PM IST = 7:30 AM EST

Best Collaboration Routines

Because of the 9.5 to 10.5 hour difference, teams usually collaborate during the Eastern morning and Indian evening.

• Ideal Window: 7:30 AM to 9:30 AM EST (which is 6:00 PM to 8:00 PM IST or 5:00 PM to 7:00 PM IST during US Daylight Saving).
• Asynchronous Handoffs: Use written daily standups and Loom videos so that progress continues continuously while one team is asleep.