UTC to EST to IST Time Converter
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Quick answers
Selected conversion
12:00 pm12:00 UTC (UTC+0), Oct 18, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 18, 2026 = 5:30 pm17:30 IST (UTC+5:30), Oct 18, 2026
UTC is 4 hours ahead of EDT. UTC is 5 hours and 30 minutes behind IST.
How the time difference changes
UTC to EST
For most of the year, UTC is 4 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, UTC is 5 hours ahead of EST.
For most of the year, working hours of 9:00 am to 6:00 pm in UTC correspond to 5:00 am to 2:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in UTC correspond to 4:00 am to 1:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in UTC correspond to 05:00 to 14:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in UTC correspond to 04:00 to 13:00 in EST.
UTC to IST
UTC is 5 hours and 30 minutes behind IST year-round.
Working hours of 9:00 am to 6:00 pm in UTC correspond to 2:30 pm to 11:30 pm in IST.Working hours of 09:00 to 18:00 in UTC correspond to 14:30 to 23:30 in IST.
Compare UTC time with EST and IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Coordinated Universal Time is 4 hours ahead of Eastern Daylight Time. Coordinated Universal Time is 5 hours and 30 minutes behind India Standard Time.
12:00 pm12:00 in UTC is 8:00 am08:00 in EDT and is 5:30 pm17:30 in IST
UTC to EDT call time
Best time for a conference call or a meeting is between 1pm-6pm13:00-18:00 in UTC which corresponds to 9am-2pm09:00-14:00 in EDT
UTC to IST call time
Best time for a conference call or a meeting is between 9am-12:30pm09:00-12:30 in UTC which corresponds to 2:30pm-6pm14:30-18:00 in IST
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 pm12:00 UTC / 8:00 am08:00 EDT / 5:30 pm17:30 IST
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| UTC | EDT | IST |
|---|---|---|
| 8:00pm previous day | 5:30am | |
| 9:00pm previous day | 6:30am | |
| 10:00pm previous day | 7:30am | |
| 11:00pm previous day | 8:30am | |
| 12:00am | 9:30am | |
| 1:00am | 10:30am | |
| 2:00am | 11:30am | |
| 3:00am | 12:30pm | |
| 4:00am | 1:30pm | |
| 5:00am | 2:30pm | |
| 6:00am | 3:30pm | |
| 7:00am | 4:30pm | |
| 8:00am | 5:30pm | |
| 9:00am | 6:30pm | |
| 10:00am | 7:30pm | |
| 11:00am | 8:30pm | |
| 12:00pm | 9:30pm | |
| 1:00pm | 10:30pm | |
| 2:00pm | 11:30pm | |
| 3:00pm | 12:30am next day | |
| 4:00pm | 1:30am next day | |
| 5:00pm | 2:30am next day | |
| 6:00pm | 3:30am next day | |
| 7:00pm | 4:30am next day | |
| 20:00 previous day | 05:30 | |
| 21:00 previous day | 06:30 | |
| 22:00 previous day | 07:30 | |
| 23:00 previous day | 08:30 | |
| 00:00 | 09:30 | |
| 01:00 | 10:30 | |
| 02:00 | 11:30 | |
| 03:00 | 12:30 | |
| 04:00 | 13:30 | |
| 05:00 | 14:30 | |
| 06:00 | 15:30 | |
| 07:00 | 16:30 | |
| 08:00 | 17:30 | |
| 09:00 | 18:30 | |
| 10:00 | 19:30 | |
| 11:00 | 20:30 | |
| 12:00 | 21:30 | |
| 13:00 | 22:30 | |
| 14:00 | 23:30 | |
| 15:00 | 00:30 next day | |
| 16:00 | 01:30 next day | |
| 17:00 | 02:30 next day | |
| 18:00 | 03:30 next day | |
| 19:00 | 04:30 next day |
Coordinated Universal Time
Offset: UTC is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara
Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.
Today some of the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Today the lighter areas are on UTC−4 (EDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in India: India time now
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2