Clock changes
Daylight saving time 2027: start and end dates
Choose a year to see its two clock changes; the countdown above them always points at the next one, in your own time zone.
Clocks fall back at 2 a.m. on
Sunday, November 1, 2026
in 4 days
2:00 a.m. daylight time becomes 1:00 a.m. standard time: one more hour of sleep, and 1 a.m. to 2 a.m. happens twice.
In 2027, daylight saving time starts at 2:00 a.m. on Sunday, March 14, 2027, when clocks spring forward to 3:00 a.m., and ends at 2:00 a.m. on Sunday, November 7, 2027, when they fall back to 1:00 a.m. That is the latest possible start, because the second Sunday of March can fall no later than the 14th, and the latest possible end, because the first Sunday of November can fall no later than the 7th; daylight time lasts 238 days. Both dates follow from 15 U.S.C. 260a and will hold unless Congress changes the law before then. One bill that would do so, the Sunshine Protection Act, H.R. 139, passed the House in July 2026 and is waiting in the Senate. If it became law, the clocks would spring forward one last time and stay on daylight time. For planning, the 2027 changes fall on the nights of Saturday March 13 to Sunday March 14 and Saturday November 6 to Sunday November 7, the first one hour shorter and the second one hour longer for anyone on duty.
Clock changes of any year
Clocks fall back in 2028
Sunday, November 5, 2028
| Spring forward, 2 a.m. becomes 3 a.m. | Sunday, March 12, 2028 |
| Fall back, 2 a.m. becomes 1 a.m. | Sunday, November 5, 2028 |
| Days on daylight time | 238 |
Second Sunday of March and first Sunday of November under 15 U.S.C. 260a, unless Congress changes the law.
Holiday rules and pay calendars read by Radif Partners · Editorial policy · Method
The 2027 dates in context
Because 2027 starts on a Friday, its Sundays fall on the 3rd, 10th, 17th and so on in January, and the rule gives the latest dates it can: March 14 and November 7. In 2026 the changes came on March 8 and November 1, the earliest possible dates, so the two years bracket the range. The NIST summary of the rule gives the same days.
| Year | Starts | Ends | Days |
|---|---|---|---|
| 2026 | Sunday, March 8, 2026 | Sunday, November 1, 2026 | 238 |
| 2027 | Sunday, March 14, 2027 | Sunday, November 7, 2027 | 238 |
| 2028 | Sunday, March 12, 2028 | Sunday, November 5, 2028 | 238 |
The fall change of 2027 comes on the weekend after Halloween, which is a Sunday that year, so trick-or-treating still happens on daylight time. The mini tool below gives the dates of any year to 2040.
Clock changes of any year
Clocks fall back in 2027
Sunday, November 7, 2027
| Spring forward, 2 a.m. becomes 3 a.m. | Sunday, March 14, 2027 |
| Fall back, 2 a.m. becomes 1 a.m. | Sunday, November 7, 2027 |
| Days on daylight time | 238 |
Second Sunday of March and first Sunday of November under 15 U.S.C. 260a, unless Congress changes the law.
What the Sunshine Protection Act would change
H.R. 139 would make daylight saving time the permanent standard time in the states that observe it. The House passed it on July 14, 2026 by 308 votes to 117, according to the Clerk’s roll call, and the Senate referred it to its commerce committee on July 15, 2026. A vote in one chamber is not a law: the Senate has to pass the same text and the President has to sign it. If the bill passes, the date it takes effect is set in its text; states that now stay on standard time, such as Hawaii and Arizona, would keep their choice. This page will show the change as soon as it is law.
Planning work around the 2027 changes
For employers, the two nights matter for anyone working at 2 a.m. On Sunday, March 14 a shift that spans the change is one hour shorter, and on Sunday, November 7 one hour longer. Hours worked are counted as worked, and each workweek stands alone for overtime, so a fall shift can push a 40-hour week into overtime while the spring shift can leave a week one hour short. The night shift page computes both cases, and payroll staff can mark the two weekends in the payroll calendars they publish.
For everyone else, the practical list is short: clocks without automatic updates, recurring alarms, medication schedules, and meetings set with people in Arizona or Hawaii, where the time difference changes by an hour on each date. Calendar apps handle the change for events stored with a time zone; events typed as floating times may shift.
Countdown and time zone
The countdown at the top uses your device’s clock and time zone, nothing else, and nothing is sent anywhere. Each zone changes at its own 2 a.m., so the switch reaches New York first and Honolulu never. Between now and March 14, 2027, the countdown points at the November change of 2026 first, then at the March change of 2027; the fall back page keeps its countdown on November.