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.

A guide to all things time zones and Daylight Saving Time on timeanddate.com—including which countries use DST, local time worldwide, a time zone converter, and meeting planner.

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.

Jan 9, 2026 · 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, …

Jan 9, 2026 · 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 standard time and runs …

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

Jan 9, 2026 · 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?

The state of Baja California introduced seasonal clock changes in 1931, remaining the only area in Mexico with a DST schedule for 65 years. In the rest of the country, DST was introduced in 1996 and …

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.