Time zones names

What are the different time zones? This article includes a list of references, but its sources remain unclear because it has insufficient inline citations. Please help to improve this article by introducing more precise citations. USA TIME ZONES (EAST TO WEST) United States of America. At the end of the 19th century, the Earth was divided into time zones , each of degrees longitude, and on the opposite side of Greenwich South Circle, an international date-line designated.

For practical reasons, the boundaries of the zones have adapted to geographical and political boundaries, many of which have involved changes in time. The UTC DST offset is different from the UTC offset for zones where daylight saving time is observed (see individual time zone pages for details). The UTC offsets are for the current or upcoming rules, and may have been different in the past. The Status field means: Canonical - The primary, preferred zone name.

This is the complete list of time zone abbreviations, where you can select a time zone to get the current time there. The chart includes both time zone abbreviation and the full time zone name , as well as the time zone offset. They are shorter and can be used more effectively to express a time zone such as 2:PM EST.

In verbal communications the opposite is true. In the section names , the letter after the offset is that used in nautical time. If present, a dagger (†) indicates the usage of a nautical time zone letter outside of the standard geographic definition of that time zone. Here you can check local time in all world-wide time zones list sorted by alphabet. This list includes minor and unofficial time zones.

Interested in one particular timezone? So while time zone names and abbreviations are interesting, if you really want to ensure someone knows what time zone you are referring to, it is best to use the GMT offset. The following information on this page divides time zones into charts. Just click on any state above and see the current time and date.

Change settings to see full state names , state initials or choose Blank to see just the map. Time zone abbreviations list. Looking for a printable time zone map? Click print above or scroll below for PDFs. A time zone is a region on Earth that has a uniform standard time for legal, commercial, and social purposes.

It is convenient for areas in close commercial or other communication to keep the same time , so time zones tend to follow the boundaries of countries and their subdivisions. Name of the destination time zone. SQL Server relies on time zones that are stored in the Windows Registry. The timezone name is the only reliable way to specify the timezone.

They appear to be populated by the tz database time zones found here. A list of all worldwide time zones with abbreviation and name. Click on a time zone to see more details. World time zones by country. All the observed world time zones are listed by country (or territory) in the table below.

Shows the time zone for each state in the United States. A state may have more than one time zone. In fact, states have more than one time zone. View the standard time zone boundaries.

The names in each time zone change along with Daylight Saving Time. The red lines divide the country in its time zones. Hawaii and most of Arizona do not follow daylight saving time.

There is a system-specific upper limit on the number of bytes in (abbreviated) time - zone names which can be as low as (as required by POSIX). Some OSes allow the setting of time zones with names which exceed their limit, and that can crash the R session. OlsonNames tries to find an Olson database in known locations.