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The Pacific Time Zone (PT) is a time zone encompassing parts of western Canada, the western United States, and western Mexico. Places in this zone observe standard time by subtracting eight hours from Coordinated Universal Time (UTC−08:00).
Standard Time (SDT) and Daylight Saving Time (DST) offsets from UTC in hours and minutes. For zones in which Daylight Saving is not observed, the DST offset shown in this table is a simple duplication of the SDT offset.
This page was last edited on 7 February 2025, at 08:51 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
≡ 101 325 Pa [33] atmosphere (technical) at ≡ 1 kgf/cm 2 = 9.806 65 × 10 4 Pa [33] bar: bar ≡ 100 000 Pa ≡ 10 5 Pa barye : ≡ 1 dyn/cm 2 = 0.1 Pa centimetre of mercury: cmHg ≡ 13 595.1 kg/m 3 × 1 cm × g 0: ≈ 1.333 22 × 10 3 Pa [33] centimetre of water (4 °C) cmH 2 O ≈ 999.972 kg/m 3 × 1 cm × g 0: ≈ 98.0638 Pa [33] foot ...
Map of U.S. time zones with new CST and EST areas displayed. Some U.S. time zones, such as the Samoa Time Zone, are not on this map. This is a list of the time offsets by U.S. states, federal district, and territories. For more about the time zones of the U.S. see time in the United States. Most states are entirely contained within one time zone.
Before the adoption of four standard time zones for the continental United States, many towns and cities set their clocks to noon when the sun passed their local meridian, pre-corrected for the equation of time on the date of observation, to form local mean solar time.
This is a list of the UTC time offsets, showing the difference in hours and minutes from Coordinated Universal Time (UTC), from the westernmost (−12:00) to the easternmost (+14:00).
Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.