Updating current time…
TongaTOT
UTC+13
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST/EDT
UTC−5
yesterday (previous day)
18h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on standard time: EST (UTC−5) until Sun, Mar 14, 2027.

Quick answers

Selected conversion

1:00 am01:00 TOT (UTC+13), Nov 1, 2026 = 7:00 am07:00 EST (UTC-5), Oct 31, 2026

Nuku‘alofa is 18 hours ahead of EST.

How the time difference changes

For most of the year, Nuku‘alofa is 17 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, Nuku‘alofa is 18 hours ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in Nuku‘alofa correspond to 4:00 pm (previous day) to 1:00 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Nuku‘alofa correspond to 3:00 pm (previous day) to 12:00 am in EST.For most of the year, working hours of 09:00 to 18:00 in Nuku‘alofa correspond to 16:00 (previous day) to 01:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in Nuku‘alofa correspond to 15:00 (previous day) to 00:00 in EST.

Compare Nuku‘alofa time with EDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

TOT (Tonga Time) is 18 hours ahead of Eastern Standard Time.
1:00 am01:00 in Nuku‘alofa, Tonga is 7:00 am07:00 in EST

Nuku‘alofa to EDT call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in Nuku‘alofa which corresponds to 4pm-6pm16:00-18:00 in EDT (previous day)

1:00 am01:00 TOT (Tonga Time) (Nuku‘alofa, Tonga). Offset UTC +13:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours

1:00 am01:00 Nuku‘alofa, Tonga / 7:00 am07:00 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.

Hourly time comparison
Nuku‘alofa, TongaEST
7:00am previous day EDT UTC-4
8:00am previous day EDT UTC-4
9:00am previous day EDT UTC-4
10:00am previous day EDT UTC-4
11:00am previous day EDT UTC-4
12:00pm previous day EDT UTC-4
1:00pm previous day EDT UTC-4
2:00pm previous day EDT UTC-4
3:00pm previous day EDT UTC-4
4:00pm previous day EDT UTC-4
5:00pm previous day EDT UTC-4
6:00pm previous day EDT UTC-4
7:00pm previous day EDT UTC-4
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
07:00 previous day EDT UTC-4
08:00 previous day EDT UTC-4
09:00 previous day EDT UTC-4
10:00 previous day EDT UTC-4
11:00 previous day EDT UTC-4
12:00 previous day EDT UTC-4
13:00 previous day EDT UTC-4
14:00 previous day EDT UTC-4
15:00 previous day EDT UTC-4
16:00 previous day EDT UTC-4
17:00 previous day EDT UTC-4
18:00 previous day EDT UTC-4
19:00 previous day EDT UTC-4
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
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Nuku‘alofa Time Zone and Facts

Time Zone

Abbreviation / Offset
TOT – Tonga Time, UTC+13 (no daylight saving time)

Nuku‘alofa Facts

Country
Tonga
Population
22,400
Currency
Pa'anga (TOP)
Geographic Coordinates
21° 08' S Latitude / 175° 12' W Longitude
International Dialing Code
+676

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Haiti, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Map of the areas on Eastern Daylight Time (EDT)
EDT part of the year

Today the shaded areas are on UTC−5 (EST).

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Eastern Standard Time (EST).

123456789101112End: Eastern Daylight Time (EDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.

123456789101112Start: Eastern Daylight Time (EDT) starts 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. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

EDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST5EDT
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time