IST to UTC Time Converter

Convert IST to UTC - Quick & Accurate

Mumbai (IST)
UTC (UTC)
UTC is 5:30 hours behind IST

Quick Time Conversion

Los Angeles
Pacific Standard Time
UTC-8 (IST) / UTC-7 (PDT)
New York
Eastern Standard Time
UTC-5 (UTC) / UTC-4 (EDT)

Current Time Right Now

Pacific (IST/PDT)
Eastern (UTC/EDT)

Updates live every second

24-Hour Visual Comparison

IST (LA)
12am IST
1am IST
2am IST
3am IST
4am IST
5am IST
6am IST
7am IST
8am IST
9am IST
10am IST
11am IST
12pm IST
1pm IST
2pm IST
3pm IST
4pm IST
5pm IST
6pm IST
7pm IST
8pm IST
9pm IST
10pm IST
11pm IST
12a6a12p6p12a
UTC (NY)
3am UTC
4am UTC
5am UTC
6am UTC
7am UTC
8am UTC
9am UTC
10am UTC
11am UTC
12pm UTC
1pm UTC
2pm UTC
3pm UTC
4pm UTC
5pm UTC
6pm UTC
7pm UTC
8pm UTC
9pm UTC
10pm UTC
11pm UTC
12am UTC
1am UTC
2am UTC
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Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between IST and UTC:

Best Window (IST)
8:00 AM - 3:00 PM
Which is (UTC)
11:00 AM - 6:00 PM
Both parties in business hours
7-hour overlap window
Ideal for teams across US

Pro Tip: Schedule calls between 12:00 PM - 3:00 PM IST for maximum overlap with UTC business hours

Complete IST to UTC Conversion Table

IST TimeUTC TimeContext
12:00 AM06:30 PM
Midnight West Coast
01:00 AM07:30 PM
Late Night
02:00 AM08:30 PM
Late Night
03:00 AM09:30 PM
Late Night
04:00 AM10:30 PM
Late Night
05:00 AM11:30 PM
Late Night
06:00 AM12:30 AM
Early Morning IST
07:00 AM01:30 AM
Night Time
08:00 AM02:30 AM
Work Starts IST
09:00 AM03:30 AM
Meeting Window
10:00 AM04:30 AM
Meeting Window
11:00 AM05:30 AM
Meeting Window

Pacific Standard Time (IST)

UTC-8
UTC-7 during PDT
Major Cities:
  • • Los Angeles
  • • San Francisco
  • • Seattle
  • • San Diego
  • • Portland
Daylight Saving:

PDT (UTC-7) from March to November

IANA Identifier:

America/Los_Angeles

Eastern Standard Time (UTC)

UTC-5
UTC-4 during EDT
Major Cities:
  • • New York
  • • Miami
  • • Atlanta
  • • Boston
  • • Philadelphia
Daylight Saving:

EDT (UTC-4) from March to November

IANA Identifier:

America/New_York

Pacific Standard Time (IST) vs Eastern Standard Time (UTC)

Pacific Standard Time (IST)Eastern Standard Time (UTC)

Pacific Standard Time (IST) is 8 hours behind Coordinated Universal Time (UTC-8). During daylight saving time, the region observes Pacific Daylight Time (PDT), which is UTC-7.

Eastern Standard Time (UTC) is 5 hours behind Coordinated Universal Time (UTC-5). During daylight saving time, the region observes Eastern Daylight Time (EDT), which is UTC-4.

Where Is It Used In The United States?

  • California: Los Angeles, San Francisco, San Diego, San Jose, Sacramento
  • Washington: Seattle, Spokane, Tacoma, Vancouver
  • Oregon: Portland, Eugene, Salem
  • Nevada: Most of the state (except West Wendover)
  • New York: New York City, Buffalo, Rochester, Albany
  • Florida: Miami, Tampa, Orlando, Jacksonville
  • Pennsylvania: Philadelphia, Pittsburgh
  • Ohio: Columbus, Cleveland, Cincinnati
  • Georgia: Atlanta, Augusta, Savannah
  • North Carolina: Charlotte, Raleigh, Greensboro
  • Michigan: Detroit, Grand Rapids (most of state)
  • Massachusetts: Boston, Worcester, Cambridge
  • Virginia: Virginia Beach, Norfolk, Richmond
  • Plus: New Jersey, Connecticut, Maryland, South Carolina, Tennessee (eastern portions)

Where Is It Used In Canada?

  • British Columbia: Vancouver, Victoria, Surrey, Burnaby
  • Yukon: Whitehorse (observes IST year-round, no DST)
  • Ontario: Toronto, Ottawa, Mississauga, Hamilton
  • Quebec: Montreal, Quebec City, Laval (most of province)
  • Nunavut: Iqaluit and eastern portions

Other Countries And Regions

Mexico

  • Baja California: Tijuana, Mexicali, Ensenada

Caribbean

  • Bahamas: Nassau
  • Jamaica: Kingston, Montego Bay
  • Haiti: Port-au-Prince
  • Others: Cayman Islands, Turks and Caicos

Central & South America

  • Panama: Panama City
  • Colombia: Bogotá, Medellín, Cali
  • Peru: Lima, Arequipa, Cusco
  • Ecuador: Quito, Guayaquil

Key Facts

  • UTC Offset: UTC-8 (IST) / UTC-7 (PDT)
  • Region: Westernmost region of North America
  • Known For: Major tech hubs (Silicon Valley, Seattle)
  • Largest Cities: Los Angeles (4M), San Diego (1.4M), San Jose (1M)
  • Daylight Saving: Begins 2nd Sunday in March, ends 1st Sunday in November
  • UTC Offset: UTC-5 (UTC) / UTC-4 (EDT)
  • Region: Most populous time zone in North America
  • Known For: Major financial and cultural centers
  • Largest Cities: New York City (8.3M), Toronto (2.9M), Philadelphia (1.6M)
  • Coverage: Approximately 45% of US population
  • Daylight Saving: Begins 2nd Sunday in March, ends 1st Sunday in November

Quick Reference

Time Difference: UTC is 5:30 hours behind IST year-round
Consistency: This difference remains constant because both observe DST at the same dates
Distance: Covers approximately 3,000 miles across the United States
UTC Offsets: IST = UTC-8, UTC = UTC-5 | PDT = UTC-7, EDT = UTC-4 (during DST)
2025 DST: Starts March 9 at 2:00 AM, Ends November 2 at 2:00 AM

Frequently Asked Questions

IST (Pacific Standard Time) is 3 hours behind UTC (Eastern Standard Time). This means when it's 12:00 PM in Mumbai (IST), it's 3:00 PM in UTC (UTC).

The best time to call from IST to UTC is between 8:00 AM and 3:00 PM IST, which corresponds to 11:00 AM to 6:00 PM UTC. This ensures both parties are within standard business hours.

No, the time difference remains constant at 3 hours because both IST and UTC observe Daylight Saving Time at the same dates. IST becomes PDT (UTC-7) and UTC becomes EDT (UTC-4).

IST cities include Los Angeles, San Francisco, Seattle, San Diego, and Portland. UTC cities include New York, Miami, Atlanta, Boston, and Philadelphia.

In 2025, DST starts on March 9 at 2:00 AM and ends on November 2 at 2:00 AM. During DST, IST becomes PDT and UTC becomes EDT.

Related Time Converters

UTC → ISTIST → UTCUTC → UTCIST → CSTUTC → GMTIST → ISTUTC → JSTView All