#Time zones us how to#

The map also reflects the daylight, night and midnight in real-time. Our Global Timezone Map displays the time now around the world. To compare time in different locations, click on Settings button on the top-right. It is an indispensable utility for time difference calculation. I need the entire column with different TimeZones converted to IST. Our World Time Clock & Map has two views. Eastern time zone: America/NewYork Central time zone: America/Chicago Mountain time zone: America/Denver Pacific time zone: America/LosAngeles I picked these cities to map for each zone. This gives the method to convert a single value to another TimeZone.

#Time zones us how to#

I have checked the solution provided in ' How to convert between time zones in SQL Server 2008?'. I want to show the value of the crea_date column converted into IST (Indian Standard Time) in this column. I want to add another Column by the Name ISTTime. In the above table crae_date column has DateTime Value and State and TimeZone Columns show the respective Sate and TimeZones for the value in crea_date column. All insular territories like Puerto Rico, US Virgin Islands, American Samoa, Guam and the Northern Mariana Islands have no DST.ĭaylight Saving Time (DST) in 2023 - starts on Sunday, March 12, 2023, 02:00 local time (clock by 1 hour ahead) - ends on Sunday, November 5, 2023, 02:00 local time (clock by 1 hour back)Īlphabetical list of U.S.I have the Data in a an SQL DataTable by the name DPSDateTime. Nowadays, 48 of the US states use Daylight Saving Time (DST) in the summer period, the exceptions are Arizona, where most of the territories do not change to DST (since 1967), and the entire Hawaii, which has never observed the summer time.

UTC+10:00 Chamorro Time Zone comprises Guam and the Northern Mariana Islands, located in the northwestern part of the Pacific Ocean.

UTC-11:00 Samoa Time Zone embraces the American Samoa islands in the South Pacific. There are 9 time zones by law in the USA and its dependencies.UTC-04:00 Atlantic Time Zone comprises the Puerto Rico and the United States Virgin Islands in the Caribbean.Other 3 time zones are used in the insular areas of the US, outside of the states.

UTC-10:00 Hawaii-Aleutian Time Zone covers Hawaii and western part of the Aleutian Islands belonging to Alaska.

UTC-09:00 Alaska Time Zone, as clearly observed in its name, includes the most of the territory of Alaska.

UTC-08:00 Pacific Time Zone covers 6 states - the entire states of California and Washington, most of Nevada and Oregon with some exceptions, the Metlakatla Indian Community in Alaska, and some northern parts of Idaho.

UTC-07:00 Mountain Time Zone includes 14 states, only 6 of them are wholly in this zone, all the others use the Mountain Time in some parts of their territories.

UTC-06:00 Central Time Zone, the largest one by area, encompasses 20 states, but only 10 of them are located entirely within zone's boundaries, all remaining states have some exceptions.

De facto the Eastern Time often is used as the USA official time.

UTC-05:00 Eastern Time Zone, the most populous in the USA, includes the District of Columbia with the capital city of Washington and 23 states wholly or partially located within this zone.

The entire 50 states and the District of Columbia have 6 main time zones. There are 9 standard time zones in the US officially defined by federal law.