IST Europe to EST Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
3:00 pm15:00 GMT (UTC+0), Nov 1, 2026 = 10:00 am10:00 EST (UTC-5), Nov 1, 2026
GMT is 5 hours ahead of EST.
IST and EST (US winter time, UTC-5) examples
These examples always use IST (UTC+1) and EST (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 6 hours ahead of EST.
EST is US Eastern winter time (early November to mid-March). The rest of the year New York uses EDT (UTC-4), one hour later. For Eastern Time that follows daylight saving time, use IST-EUROPE to ET. For daylight-time examples, use IST-EUROPE to EDT.
How the time difference changes
For most of the year, IST Europe is 5 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, GMT Europe is 5 hours ahead of EST. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, GMT Europe is 4 hours ahead of EDT.
For most of the year, working hours of 9:00 am to 6:00 pm in IST Europe correspond to 4:00 am to 1:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT Europe correspond to 4:00 am to 1:00 pm in EST or working hours of 9:00 am to 6:00 pm in GMT Europe correspond to 5:00 am to 2:00 pm in EDT.For most of the year, working hours of 09:00 to 18:00 in IST Europe correspond to 04:00 to 13:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in GMT Europe correspond to 04:00 to 13:00 in EST or working hours of 09:00 to 18:00 in GMT Europe correspond to 05:00 to 14:00 in EDT.
Compare IST time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 5 hours ahead of Eastern Standard Time.
3:00 pm15:00 in GMT is 10:00 am10:00 in EST
GMT to EST call time
Best time for a conference call or a meeting is between 2pm-6pm14:00-18:00 in GMT which corresponds to 9am-1pm09:00-13:00 in EST
3:00 pm15:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
10:00 am10:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
3:00 pm15:00 GMT / 10:00 am10:00 EST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| GMT | EST |
|---|---|
| 8:00pm previous day EDT UTC-4 | |
| 9:00pm previous day EDT UTC-4 | |
| 10:00pm previous day EDT UTC-4 | |
| 11:00pm previous day EDT UTC-4 | |
| 12:00am EDT UTC-4 | |
| 1:00am EDT UTC-4 | |
| 1:00am | |
| 2:00am | |
| 3:00am | |
| 4:00am | |
| 5:00am | |
| 6:00am | |
| 7:00am | |
| 8:00am | |
| 9:00am | |
| 10:00am | |
| 11:00am | |
| 12:00pm | |
| 1:00pm | |
| 2:00pm | |
| 3:00pm | |
| 4:00pm | |
| 5:00pm | |
| 6:00pm | |
| 20:00 previous day EDT UTC-4 | |
| 21:00 previous day EDT UTC-4 | |
| 22:00 previous day EDT UTC-4 | |
| 23:00 previous day EDT UTC-4 | |
| 00:00 EDT UTC-4 | |
| 01:00 EDT UTC-4 | |
| 01:00 | |
| 02:00 | |
| 03:00 | |
| 04:00 | |
| 05:00 | |
| 06:00 | |
| 07:00 | |
| 08:00 | |
| 09:00 | |
| 10:00 | |
| 11:00 | |
| 12:00 | |
| 13:00 | |
| 14:00 | |
| 15:00 | |
| 16:00 | |
| 17:00 | |
| 18:00 |
Irish Standard Time
Offset: IST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Ireland
Principal Cities: The largest city in the IST time zone is Dublin in Ireland, with about 1.024 million people. Other major cities in this time zone include Cork, Limerick, Galway, Waterford.
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.
Current time in Ireland: Ireland time now
Today the shaded areas are on UTC+0 (GMT).
IST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for IST
- A - short form of 'Alpha'
- Eire
- Europe/Dublin
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
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 all shaded areas are on EST.
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).
Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
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