A guide to Daylight Saving Time on timeanddate.com—including which countries use DST, upcoming DST changes, and history.

When Does DST Start and End in the US? Daylight Saving Time (DST) in most of the United States starts on the second Sunday in March and ends on the first Sunday in November.

More than half of US states are considering removing Daylight Saving Time (DST). Why do we still have it, and which states are ready to remove it?

What DST does is to change the time we use to schedule our daily routines, shifting it in relation to solar time, which is defined by the Sun's course. When we spring forward as DST begins, …

Nov 7, 2010 · Daylight Saving Time in Other Years DST changes do not necessarily occur on the same date every year. Show DST from: ... Detailed time zone and clock changes in New York

Mar 30, 2025 · Daylight Saving Time in Other Years DST changes do not necessarily occur on the same date every year. Show DST from: ... Detailed time zone and clock changes in Brussels

Time Zone Converter – Time Difference Calculator Provides time zone conversions taking into account Daylight Saving Time (DST), local time zone and accepts present, past, or future dates.

Daylight Saving Time in Other Years DST changes do not necessarily occur on the same date every year. Show DST from: ... Detailed time zone and clock changes in Lisbon

Almost all of the US state of Arizona does not use Daylight Saving Time (DST), and uses the time zone Mountain Standard Time (MST) all year.

Sep 11, 2025 · Daylight Saving Time (DST) is the practice of setting the clocks forward during part of the year to make better use of natural daylight. DST is usually one hour ahead of …