Count the overnight shift by the hours the person actually worked when the clocks change, using the rules these pages print. The National Institute of Standards and Technology defines daylight saving time as the period of the year when clocks are moved one hour ahead.
Key takeaways for daylight saving time hour count on the overnight clock
- On the spring-forward Sunday, the U.S. Department of Labor notes that graveyard shift employees work one hour less because the clocks are set ahead.
- When daylight saving time ends, the same source states that these employees work an extra hour because the clocks are set back at 2:00 a.m.
- The schedule may list eight hours, but the actual worked time on the start date is seven hours according to the department's example.
- In the department's example, for a worker in a similar situation, the actual worked time on the end date is nine hours even though the schedule reflects eight.
- Approve the timesheet based on the hours actually worked rather than the length printed on the schedule.
How the overnight clock hour counts when daylight saving time starts or ends
Managers approving an overnight time clock on the Sunday the clocks change face a mismatch between scheduled hours and actual worked hours. The schedule prints a fixed duration, but the physical passage of time differs during the two annual transitions. You must distinguish the spring-forward date from the fall-back date to count the correct number of paid hours.
For an overnight shift that crosses midnight into the next calendar day, the clock change alters the relationship between the punch times and the elapsed time. If the shift begins before the change and ends after it, the total minutes recorded by the time clock may not match the scheduled length.
On the spring-forward Sunday, the skipped hour means fewer actual minutes pass than the schedule suggests. A shift scheduled for eight hours might contain only seven hours of actual time if it spans the 2:00 a.m. transition. Your task is to verify whether your staff’s punches cover the full scheduled block or lose the skipped hour.
Pull the overnight punches for the changeover Sunday, write the clock-in and clock-out you can see, and compare them to the spring-forward or fall-back row before you approve the hours.
A filled reference table of the four clock rules
The table below maps the four required clock rules to their specific publisher and quoted behavior. Each row names the source that states the rule, ensuring you can verify the hour count against the official page before approving the timesheet.
| Rule Number | Publisher | Clock Change Event | Hour Count Behavior |
|---|---|---|---|
| 1 | U.S. Department of Labor | Daylight Savings Time begins | Graveyard shift employees work one hour less because clocks are set ahead one hour. |
| 2 | U.S. Department of Labor | Daylight Savings Time ends | Graveyard shift employees work an extra hour because clocks are set back one hour at 2:00 a.m. |
| 3 | U.S. Department of Labor | Sunday start at 2:00 a.m. | The hour from 2:00 a.m. to 3:00 a.m. is not worked because clocks turn forward to 3:00 a.m. |
| 4 | U.S. Department of Labor | Sunday end at 2:00 a.m. | The hour from 1:00 a.m. to 2:00 a.m. is worked twice because clocks turn back to 1:00 a.m. |
Use this table as your primary check when reviewing punches for the changeover Sunday. If the schedule shows eight hours but the employee worked seven on the spring-forward date, the first row explains why the count differs. For the fall-back date, the second and fourth rows confirm that the repeated hour counts as time worked. Do not adjust the total based on the printed schedule length; instead, match the punch records to the specific behavior listed in the corresponding row. This approach keeps your approval aligned with the rules stated by the U.S. Department of Labor on its FLSA Hours Worked Advisor page.
The spring-forward hour that the schedule still shows
The U.S. Department of Labor states in its elaws - FLSA Hours Worked Advisor page that employees working the graveyard shift when Daylight Savings Time begins work one hour less because the clocks are set ahead one hour U.S. Department of Labor. This reduction occurs because the specific hour from 2:00 a.m. to 3:00 a.m. is not worked, as all clocks turn forward to 3:00 a.m. at the start of that time slot. The schedule printed for the shift may still show an eight-hour block, but the physical time elapsed during the shift is shorter due to this mechanical change.
Consequently, the punches must be checked to see whether the skipped hour was captured. In the department's similar example, a worker in that situation worked only seven hours even though the schedule was for eight. The skipped hour does not exist in real time, so it cannot be counted as time worked for pay purposes. You should compare the visible clock-in and clock-out times against the scheduled start and end times to verify this discrepancy before approving the entry.
Do not assume the time-clock app corrects this difference automatically; check the recorded punches instead. Your role is to confirm that the approved hours match the actual worked duration. If the schedule indicates eight hours but the punches show a span consistent with seven hours of actual work, approve the seven hours. For edit steps, see Timesheet approval and edit rules for 5 apps.
Start here if you are reviewing a Sunday morning timesheet where the clock-out time appears earlier than expected relative to the scheduled shift length.
Choose this if your staff works overnight shifts that cross the 2:00 a.m. boundary on the Sunday when daylight saving time starts.
The fall-back hour that is worked twice
On the Sunday that Daylight Savings Time ends, the clocks are set back one hour at 2:00 a.m., according to the U.S. Department of Labor elaws - FLSA Hours Worked Advisor. This action causes employees working the graveyard shift to work an extra hour during this specific changeover period. The repeated hour occurs because at 2:00 a.m., all clocks are turned back to 1:00 a.m., meaning you work the hour from 1:00 a.m. to 2:00 a.m. twice. This mechanism results in more hours than the length printed on the schedule for that day.
The labor department page states that on this day, you worked nine hours even though the schedule only reflected eight hours. This discrepancy arises directly from the physical repetition of the clock face during the transition. When approving the time clock for the overnight shift on this date, the manager must recognize that the actual time worked exceeds the scheduled duration by one full hour. The source confirms that if you are in a work situation similar to the example described, you worked seven hours on the day that Daylight Savings Time begins and nine hours on the day that Daylight Savings Time ends.
The approved timesheet should reflect the additional hour resulting from the clock being turned back. Check pay-rate treatment for this extra hour against your pay policy and applicable law; count the total elapsed time as recorded by the punches. Your approval process should verify that the clock-in and clock-out timestamps capture this extended period accurately. If your shop’s schedule lists eight hours but the employee works through the repeated hour, the department's similar example gives nine hours for that situation.
Check the punch logs for the specific interval between 1:00 a.m. and 3:00 a.m. This ensures the payroll calculation includes the extra hour described in the department's example.
Illustrative example: an 8-hour overnight shift on changeover Sunday
Suppose a worker is scheduled for 8 hours, from 10 p.m. to 6 a.m. On the spring-forward Sunday, the clocks jump from 2 a.m. to 3 a.m., so the punches show 7 hours of actual time. On the fall-back Sunday, the 1 a.m. hour repeats, so the punches can show 9 hours. All figures here are illustrative.
The Sunday and the 2:00 a.m. change these pages name
The National Institute of Standards and Technology specifies that daylight saving time begins at 2:00 a.m. on the second Sunday of March, where local time skips ahead to 3 a.m. so there is one less hour in that day National Institute of Standards and Technology. For the specific year 2026, this page states daylight saving time is in effect from March 8 at 2 a.m. The same source notes the period ends at 2:00 a.m. on the first Sunday of November, when local time becomes 1 a.m. and that hour is repeated, creating an extra hour in the day.
The U.S. Naval Observatory confirms the start date occurs on the second Sunday in March for the United States U.S. Naval Observatory. It details that clocks are set ahead one hour at 2:00 a.m. local standard time during the spring transition. For the fall transition, the observatory explains that clocks are set back one hour at 2:00 a.m. local Daylight Saving Time, which becomes 1:00 a.m.
When you approve the overnight clock, verify the punch times against these specific markers. If your shift crosses the 2:00 a.m. threshold on the second Sunday of March, note that the clock jumps forward. If it crosses on the first Sunday of November, note that the clock repeats the 1:00 a.m. hour. These exact dates and times define when the hour count changes for your schedule.
Check your roster against the second Sunday of March and the first Sunday of November. Confirm whether any overnight shifts span the 2:00 a.m. moment named by these sources. Record the specific date in your approval notes so the hour count matches the documented rule.
Who each step is for
Start here if your team works overnight shifts that cross the Sunday when the clocks change, as Cornell Law School notes the date shifted to the second Sunday of March. Choose this if you need to verify whether the repeated hour counts as time worked during the fall-back period mentioned in the statutory text. Skip this step if your staff do not work on the specific Sundays named in the updated dates for daylight saving time changes. Next step today: Open this week's roster and mark each overnight shift that runs past 2:00 a.m. on the Sunday the clocks change. For roster settings, see Time off rules: 8 settings that keep rosters fair.
Related guides: Just in time scheduling: 7 mistakes in weekly rosters · Reporting time pay when a shift is cut short: 4 rules · Set up 6 geofencing checks for accurate time tracking.
FAQ: Daylight saving time hour count on the overnight clock
What does the labor department page say happens to hours when daylight saving time starts?
According to the U.S. Department of Labor, employees working the graveyard shift when Daylight Savings Time begins work one hour less. The clocks are set ahead one hour, which shortens the total time worked during that specific overnight period.
What does it say when daylight saving time ends?
The same U.S. Department of Labor page states that employees working the graveyard shift when Daylight Savings Time ends work an extra hour. This occurs because the clocks are set back one hour at 2:00 a.m., adding additional time to the shift.
What time of day does the standards page give for the change?
The National Institute of Standards and Technology identifies 2:00 a.m. as the time for both the start and end of Daylight Saving Time.
Which months does the statute page name for the start and the end?
The Cornell Law School entry for the U.S. Code notes that the changeover dates are the second Sunday of March and the first Sunday of November. These dates replace the previous dates of the first Sunday of April and the last Sunday of October.