A source for detailed DST and historical information is the tz database. Places that observe daylight saving time (DST) during their respective summer periods are listed only once, at the offset for their winter (usually known as 'standard') period see their individual articles for more information. UTC+01:00) or the country-specific time articles (e.g. Information on daylight saving time or historical changes in offsets can be found in the individual offset articles (e.g. The main purpose of this page is to list the current standard time offsets of different countries, territories and regions.
It includes countries and regions that observe them during standard time or year-round. 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).
