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.

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 …

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?

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.

Most of Arizona does not use DST. The only exception is the Navajo Nation where clocks spring forward 1 hour together with the rest of the United States on the second Sunday in March and fall back again …

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.

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 …

The European mainland of the Netherlands uses Daylight Saving Time (DST) during part of the year. The DST period starts on the last Sunday of March and ends on the last Sunday of October, together …