TOST – Tonga Summer Time (Daylight Saving Time)
No locations currently on TOST. Would you like to see TOT?
Pacific: TOST is currently not observed because locations are on standard time and are observing TOT.
Please use the search field on the right to find the correct local time in any city.
Winter Time & DST
This time zone is a daylight saving/summer time zone, in the winter some places will switch to the corresponding standard time zone: TOT (Tonga Time).
Email Time Zone Indicator: +1400
An email sent from someone in the Tonga Summer Time (TOST) time zone will have the time zone listed as "+1400" in the headers of the email. (However, "+1400" does not have to be in Tonga Summer Time, as other time zones could have the same UTC offset).
Where and When is TOST Observed?
Pacific countries using TOST in the summer and TOT in the winter:
Other Time Zones in UTC +14
Some time zones exist that have the same offset as TOST, but can be found under a different name:
Time zones by continent/region
- Central America
- Indian Ocean
- North America
- South America
No locations currently on TOST
Find current time and time zone by city
Tonga – Nukualofa (Summer)
Related time zones
TOT – Tonga Time (Standard Time)