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.

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

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, …

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?

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 …

The graph above illustrates clock changes in Denver during 2025. Time Changes in Denver Over the Years Daylight Saving Time (DST) changes do not necessarily occur on the same date …

History of Daylight Saving Time (DST). Why was Daylight Saving Time created, who invented it, and what is the point of having a time change every year?

Mar 7, 2024 · The US Senate has passed a bill allowing permanent Daylight Saving Time (DST) in all US states.

When Does DST Start and End in Italy? Italy's DST period starts on the last Sunday of March and ends on the last Sunday of October, together with most other European countries.

Daylight Saving Time (DST) is often misspelled Daylight Savings Time, with an “s” at the end. Other common variations are Summer Time and Daylight-Saving Time.