Updating current time…
TongaTOT
UTC+13
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST/PDT
UTC−8
yesterday (previous day)
21h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Pacific Time is on standard time: PST (UTC−8) until Sun, Mar 14, 2027.

Quick answers

Selected conversion

1:00 am01:00 TOT (UTC+13), Nov 1, 2026 = 4:00 am04:00 PST (UTC-8), Oct 31, 2026

Nuku‘alofa is 21 hours ahead of PST.

How the time difference changes

For most of the year, Nuku‘alofa is 20 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, Nuku‘alofa is 21 hours ahead of PST.

For most of the year, working hours of 9:00 am to 6:00 pm in Nuku‘alofa correspond to 1:00 pm (previous day) to 10:00 pm (previous day) in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Nuku‘alofa correspond to 12:00 pm (previous day) to 9:00 pm (previous day) in PST.For most of the year, working hours of 09:00 to 18:00 in Nuku‘alofa correspond to 13:00 (previous day) to 22:00 (previous day) in PDT. At other times of the year, working hours of 09:00 to 18:00 in Nuku‘alofa correspond to 12:00 (previous day) to 21:00 (previous day) in PST.

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

Time Difference

TOT (Tonga Time) is 21 hours ahead of Pacific Standard Time.
1:00 am01:00 in Nuku‘alofa, Tonga is 4:00 am04:00 in PST

Nuku‘alofa to PDT call time
Best time for a conference call or a meeting is between 9am-2pm09:00-14:00 in Nuku‘alofa which corresponds to 1pm-6pm13:00-18:00 in PDT (previous day)

1:00 am01:00 TOT (Tonga Time) (Nuku‘alofa, Tonga). Offset UTC +13:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours

1:00 am01:00 Nuku‘alofa, Tonga / 4:00 am04:00 PST

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, TongaPST
4:00am previous day PDT UTC-7
5:00am previous day PDT UTC-7
6:00am previous day PDT UTC-7
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04:00 previous day PDT UTC-7
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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

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PDT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

Map of the areas on Pacific Daylight Time (PDT)
PDT part of the year

Today the shaded areas are on UTC−8 (Pacific Standard Time).

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

123456789101112End: Pacific Daylight Time (PDT) 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: Pacific Daylight Time (PDT) 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.

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone