est to ist Time Converter

Eastern Standard TimeIndia Standard Time

est = UTC-4ist = UTC+5:30

⚠️ ist is ambiguous — on this page it means India Standard Time. It also refers to:

est (New York)ist (Mumbai)

No overlap — one side will need to join outside working hours

est (New York)
ist (Mumbai)
00:00
09:30Working
01:00
10:30Working
02:00
11:30Working
03:00
12:30Working
04:00
13:30Working
05:00
14:30Working
06:00
15:30Working
07:00
16:30Working
08:00
17:30
09:00Working
18:30off
10:00Working
19:30off
11:00Working
20:30off
12:00Working
21:30off
13:00Working
22:30off
14:00Working
23:30off
15:00Working
00:30+1doff
16:00Working
01:30+1doff
17:00
02:30+1d
18:00
03:30+1d
19:00
04:30+1d
20:00
05:30+1d
21:00
06:30+1d
22:00
07:30+1d
23:00
08:30+1d

Working hours: 09:00–17:00 local time. Green = both cities working. Purple = one city only.

Frequently Asked Questions

What is the difference between est and ist?
Eastern Standard Time (est) is UTC-4 and India Standard Time (ist) is UTC+5:30. The difference between them is 9.5 hours.
Where is est used?
Eastern Standard Time (est) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
Where is ist used?
India Standard Time (ist) is used in India and surrounding regions. The IANA timezone identifier is Asia/Kolkata. Note: ist is ambiguous and may refer to other timezones.
How do I convert est to ist?
Use the interactive converter above. Drag the time slider to any est time and the ist equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.

Popular est conversions

EST → LondonEST → TokyoEST → DubaiEST → SydneyEST → ParisEST → BerlinEST → SingaporeEST → Los AngelesEST → TorontoEST → Mumbai

Popular ist conversions

London → ISTNew York → ISTTokyo → ISTDubai → ISTSydney → ISTParis → ISTBerlin → ISTSingapore → ISTLos Angeles → ISTToronto → IST