Updating current time…
EDT/EST
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Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 1.
Saint HelenaGMT
UTC+0
4h ahead
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Quick answers

Selected conversion

8:00 am08:00 EDT (UTC-4), Oct 22, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 22, 2026

EDT is 4 hours behind Jamestown.

How the time difference changes

For most of the year, EDT is 4 hours behind Jamestown, Saint Helena. From Nov 1, 2026 to Mar 14, 2027, EST is 5 hours behind Jamestown, Saint Helena.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 1:00 pm to 10:00 pm in Jamestown, Saint Helena. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 2:00 pm to 11:00 pm in Jamestown, Saint Helena.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 13:00 to 22:00 in Jamestown, Saint Helena. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 14:00 to 23:00 in Jamestown, Saint Helena.

Compare EST time with Jamestown time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Eastern Daylight Time is 4 hours behind GMT (Greenwich Mean Time).
8:00 am08:00 in EDT is 12:00 pm12:00 in Jamestown, Saint Helena

EDT to Jamestown call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in EDT which corresponds to 1pm-6pm13:00-18:00 in Jamestown

8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
12:00 pm12:00 GMT (Greenwich Mean Time) (Jamestown, Saint Helena). Offset UTC 0:00 hours

8:00 am08:00 EDT / 12:00 pm12:00 Jamestown, Saint Helena

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.

Hourly time comparison
EDTJamestown, Saint Helena
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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

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

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).

123456789101112End: 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.

123456789101112Start: 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

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
Time zones with the GMT -5 offset:
  • 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

Jamestown Time Zone and Facts

Time Zone

Abbreviation / Offset
GMT – Greenwich Mean Time, UTC+0 (no daylight saving time)

Jamestown Facts

Country
Saint Helena
Alternative Names
Ceymstaun, Dzeimstauna, Dzeimstaunas, Dzejmstaun, Dzhehjmstaun, Dzhejmstaun, Džeimstauna, Džeimstaunas, HLE, Iacobopolis, Jamestauno, Jamestown, Tzeimstaoun, Zhejmstaun, cems thawn, jeimseutaun, jemsata'una, jemstavun, jemuzutaun, jyms tawn, jymz ٹawn synٹ ہlyna, jymztawn synt hlyna, zhan mu si dui, Ĵamestaŭno, Τζέιμσταουν, Џејмстаун, Джеймстаун, Джэймстаўн, Жеймстаун, גיימסטאון, דזשיימסטאן, جيمس تاون, جیمز ٹاون، سینٹ ہلینا, جیمزتاون، سینت هلینا, جیمزٹاؤن, جەیمستاون, जेम्सटाउन, ஜேம்ஸ்டவுன், เจมส์ทาวน์, ჯეიმზტაუნი, ジェームズタウン, 詹姆斯敦, 제임스타운
Population
637
Currency
Pound (SHP)
Geographic Coordinates
15° 56' S Latitude / 5° 43' W Longitude
International Dialing Code
+290