EST to TOT Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
8:00 am08:00 EDT (UTC-4), Oct 15, 2026 = 1:00 am01:00 TOT (UTC+13), Oct 16, 2026
EDT is 17 hours behind TOT.
EST (US winter time, UTC-5) and TOT examples
These examples always use EST (UTC-5) and TOT (UTC+13). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
EST is 18 hours behind TOT.
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 ET to TOT. For daylight-time examples, use EDT to TOT.
How the time difference changes
For most of the year, EDT is 17 hours behind TOT. From Nov 1, 2026 to Mar 14, 2027, EST is 18 hours behind TOT.
For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 2:00 am (next day) to 11:00 am (next day) in TOT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 3:00 am (next day) to 12:00 pm (next day) in TOT.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 02:00 (next day) to 11:00 (next day) in TOT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 03:00 (next day) to 12:00 (next day) in TOT.
Compare EST time with TOT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Daylight Time is 17 hours behind Tonga Time.
8:00 am08:00 in EDT is 1:00 am01:00 in TOT
EDT to TOT call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in EDT which corresponds to 9am-11am09:00-11:00 in TOT (next day)
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
1:00 am01:00 Tonga Time (TOT). Offset UTC +13:00 hours
8:00 am08:00 EDT / 1:00 am01:00 TOT
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Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, 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.
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
Tonga Time
Offset: TOT is 13 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Tonga
Principal Cities: The largest city in the TOT time zone is Nuku‘alofa in Tonga, with about 22,400 people. Other major cities in this time zone include Mu‘a, Neiafu, Haveluloto, Tofoa-Koloua.
Daylight Saving: Clocks in Tonga Time (TOT) do not change for daylight saving time, so TOT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
TOT representations, usage and related time zones
- +13 - basic short
- +1300 - basic
- +13:00 - extended
- +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
- FJST - Fiji Summer Time
- NZDT - New Zealand Daylight Time
- PHOT - Phoenix Island Time
- TKT - Tokelau Time
- TOT - Tonga Time
- WST - West Samoa Time
- WSST - West Samoa Standard Time