Five-second answer

Claim we investigated

Daylight saving time was created for farmers

False. U.S. daylight saving time began in 1918 to save electricity in wartime, and farm groups fought to repeal it. A Library of Congress exhibition, federal timekeeping records, a historian's account and the largest U.S. farm group all agree that DST was a wartime energy measure that farmers opposed and helped repeal.

Quote or cite this fact-check

FactHub rates the claim “Daylight saving time was created for farmers” False (high confidence): U.S. daylight saving time began in 1918 to save electricity in wartime, and farm groups fought to repeal it. Reviewed October 31, 2026. https://facthub.org/n/article/daylight-saving-time-not-for-farmers/2

One-minute summary

What the evidence establishes

  • Established. The United States first adopted daylight saving time on March 31, 1918, to conserve electricity during World War I.
  • Established. Farm interests opposed DST because farm schedules follow sunrise and sunset, and they led the push that repealed national DST over President Wilson's veto in 1919.
  • Established. Today's dates come from the Uniform Time Act of 1966 as amended in 2005: the second Sunday of March to the first Sunday of November. In 2026 DST ends November 1.
  • Not shown. No source we found shows farmers asked for daylight saving time.
  • Context. How much energy DST saves is debated; a 2008 federal study found about 0.5% of electricity per day during the extended weeks.
Important context: Clocks in most of the United States fall back one hour at 2 a.m. on Sunday, November 1, 2026, when daylight saving time ends for the year. The belief that DST exists to help farmers is one of the most common explanations people give for it. This check looks only at why DST was created and who pushed for or against it; it does not weigh whether the country should keep, end or make permanent the clock change.

The evidence

The conclusion rests on the combined record. Expand each item to see its role and limitations.

Independence note: This check uses 4 methods across 7 institutions and 1 country or international grouping.
Evidence map
Method Institution / country Year(s) What it shows Key limitation Primary links
Review of a Library of Congress exhibition on the World War I home front, NIST's explanation of DST history, and a historian's account of the 1918 law. Library of Congress, National Institute of Standards and Technology, Connecticut Public United States 1918, 2014, 2026 The Library of Congress records that the United States adopted daylight saving time on March 31, 1918, to conserve electricity during the war, and states directly that it was not created to let farmers work longer. NIST confirms DST was formally introduced in 1918, and historian Michael Downing describes it as an effort to save energy for the war. These are secondary accounts of the 1918 law rather than the 1918 statute itself, and the Library of Congress and the radio interview both draw on the same historical scholarship. Library of Congress National Institute of Standards and Technology Connecticut Public
Comparison of a federal archive's account, a popular-history explainer, a historian's interview and the largest U.S. farm organization's own statement. Library of Congress, HISTORY (A&E Networks), Connecticut Public, American Farm Bureau Federation United States 1918, 1919, 2014, 2025 The Library of Congress says the agriculture industry fervently opposed DST because farm schedules follow sunrise and sunset, and lobbied for the repeal Congress passed over President Wilson's veto in 1919. HISTORY says American farmers did not lobby for DST and that agrarian interests led the repeal fight. The American Farm Bureau Federation says DST was first proposed to save energy and has been mistakenly attributed to farmers, and quotes Downing's point that farmers had no reason to want later sunrises. Most accounts trace back to a small number of historians, especially Michael Downing, and none quotes the 1919 congressional debate directly. Farm opinion was not uniform everywhere, though no source found shows organized farm support. Library of Congress HISTORY (A&E Television Networks) Connecticut Public American Farm Bureau Federation
Reading the current federal statute and its amendment notes, and NIST's summary of the current rules. U.S. Government Publishing Office, National Institute of Standards and Technology United States 1966, 2005, 2026 Federal law, enacted in 1966 and amended in 2005, sets DST from the second Sunday of March to the first Sunday of November. NIST confirms that in 2026 DST runs from March 8 to November 1 and that the Department of Transportation, not NIST, regulates time zones and DST. The statute shows when and how DST is set, not the motives of the lawmakers who passed it, so it speaks to the farmer claim only indirectly. U.S. Government Publishing Office (U.S. Code) National Institute of Standards and Technology
The Department of Energy's 2008 report to Congress, which compared electricity use before and after the 2007 DST extension, alongside summaries of later research. U.S. Department of Energy, HISTORY (A&E Networks), Connecticut Public United States 2007, 2008 DOE found the extended weeks saved about 1.3 terawatt-hours of electricity, about 0.5% per day of extended DST. Other researchers argue DST may not save energy at all, because cooling costs can offset lighting savings. The DOE study measured only the four extra weeks added in 2007, not DST as a whole, and other studies reach different conclusions. Energy savings bear on whether DST works, not on why it was created. U.S. Department of Energy (via OSTI) HISTORY (A&E Television Networks) Connecticut Public
1. DST began in 1918 as a wartime electricity-saving measure Review of a Library of Congress exhibition on the World War I home front, NIST's explanation of DST history, and a historian's account of the 1918 law.

The Library of Congress records that the United States adopted daylight saving time on March 31, 1918, to conserve electricity during the war, and states directly that it was not created to let farmers work longer. NIST confirms DST was formally introduced in 1918, and historian Michael Downing describes it as an effort to save energy for the war.

Limit: These are secondary accounts of the 1918 law rather than the 1918 statute itself, and the Library of Congress and the radio interview both draw on the same historical scholarship.

Verify: Daylight Saving Time (Echoes of the Great War: American Experiences of World War I) Daylight Saving Time Rules Hate Daylight Saving Time? Blame the Man From Filene's Basement

2. Farm groups opposed DST and led its 1919 repeal Comparison of a federal archive's account, a popular-history explainer, a historian's interview and the largest U.S. farm organization's own statement.

The Library of Congress says the agriculture industry fervently opposed DST because farm schedules follow sunrise and sunset, and lobbied for the repeal Congress passed over President Wilson's veto in 1919. HISTORY says American farmers did not lobby for DST and that agrarian interests led the repeal fight. The American Farm Bureau Federation says DST was first proposed to save energy and has been mistakenly attributed to farmers, and quotes Downing's point that farmers had no reason to want later sunrises.

Limit: Most accounts trace back to a small number of historians, especially Michael Downing, and none quotes the 1919 congressional debate directly. Farm opinion was not uniform everywhere, though no source found shows organized farm support.

Verify: Daylight Saving Time (Echoes of the Great War: American Experiences of World War I) 8 Things You May Not Know About Daylight Saving Time Hate Daylight Saving Time? Blame the Man From Filene's Basement Setting the Record Straight: Daylight Saving Time and Farmers

3. Today's DST rules come from the 1966 and 2005 federal laws Reading the current federal statute and its amendment notes, and NIST's summary of the current rules.

Federal law, enacted in 1966 and amended in 2005, sets DST from the second Sunday of March to the first Sunday of November. NIST confirms that in 2026 DST runs from March 8 to November 1 and that the Department of Transportation, not NIST, regulates time zones and DST.

Limit: The statute shows when and how DST is set, not the motives of the lawmakers who passed it, so it speaks to the farmer claim only indirectly.

Verify: 15 U.S.C. § 260a – Advancement of time or changeover dates Daylight Saving Time Rules

4. Energy savings are real but small and contested The Department of Energy's 2008 report to Congress, which compared electricity use before and after the 2007 DST extension, alongside summaries of later research.

DOE found the extended weeks saved about 1.3 terawatt-hours of electricity, about 0.5% per day of extended DST. Other researchers argue DST may not save energy at all, because cooling costs can offset lighting savings.

Limit: The DOE study measured only the four extra weeks added in 2007, not DST as a whole, and other studies reach different conclusions. Energy savings bear on whether DST works, not on why it was created.

Verify: Impact of Extended Daylight Saving Time on National Energy Consumption Report to Congress 8 Things You May Not Know About Daylight Saving Time Hate Daylight Saving Time? Blame the Man From Filene's Basement

Common questions

“Farmers get an extra hour of evening light to work in the fields.”

Short answer: No

Clocks don't change how much daylight there is. Farm work is scheduled by sunrise and sunset, not the clock, so moving the clock gave farmers nothing; that is why farm groups opposed DST, and why historian Michael Downing says farmers had no reason to want later sunrises.

“If not farmers, who wanted daylight saving time?”

Short answer: Wartime planners, then business

Wartime energy conservation drove the 1918 law. After the war, historian Michael Downing says, business interests such as retailers took up the cause, because more evening daylight brought more shoppers.

“Daylight saving time saves a lot of energy.”

Short answer: Small and disputed

The Department of Energy measured savings of about 0.5% of electricity per day during the extra weeks added in 2007. Other research suggests the savings may vanish or reverse once heating and cooling are counted.

Conclusion

Every line of evidence points the same way. The Library of Congress records that the United States first set its clocks ahead on March 31, 1918, as a wartime step to conserve electricity, and NIST confirms that DST was formally introduced that year. Farmers were not the beneficiaries: the Library of Congress, HISTORY, the historian Michael Downing and the American Farm Bureau Federation itself all say agricultural interests opposed DST, because farm schedules follow sunrise and sunset rather than the clock. Farm lobbying was central to the 1919 repeal of national DST over President Wilson's veto. The modern system rests on the Uniform Time Act of 1966 and the 2005 extension, which set today's March-to-November dates. What remains genuinely debated is whether DST saves much energy. The Department of Energy's 2008 study measured savings of about 0.5% of electricity per day during the extra weeks added in 2007, while other analyses suggest cooling costs can offset lighting savings. That debate concerns DST's benefits, not its origin. Confidence is high because a federal archive, popular and scholarly historians and the farm sector's own account converge, and we found no credible source showing farmers sought DST.

How we checked

  1. Defined the claim as: daylight saving time was created for the benefit of farmers, as commonly said.
  2. Looked for the original purpose of U.S. DST in federal archives and timekeeping agencies rather than relying on one popular account.
  3. Checked the farm sector's own account, from the American Farm Bureau Federation, against the archival and historians' accounts.
  4. Read the current federal statute and its amendment notes for today's rules, and the Department of Energy's report for energy effects.
  5. Recorded the limits of each source, including shared reliance on one historian's research.

Editorial note: Scope: this check covers why daylight saving time was created in the United States and the role of farmers. It does not evaluate health, safety or economic effects of DST or proposals to make it permanent. Several sources rely on the same historical record, notably Michael Downing's research, which we note in the evidence limits.

Expert-review status

No external specialist review has been recorded.

Funding and conflicts

Funding: No external funding for this piece.

Ownership: Published by the FactHub Research Team, an independent fact-checking group.

Conflicts: No known conflicts of interest.

Sources

Sources are labeled by kind, with what this fact check takes from each, so readers can check the evidence independently.

  1. Government Library of Congress. Daylight Saving Time (Echoes of the Great War: American Experiences of World War I)

    Library of Congress exhibition text on the 1918 adoption and 1919 repeal of daylight saving time.

    Reliability: The national library's curated World War I exhibition. It has no stake in how DST is remembered.

    • The U.S. adopted DST on March 31, 1918, to conserve electricity during wartime.

      What the source says
      the United States adopted daylight saving time on March 31, 1918,…as a means to conserve electricity during wartime
      Daylight Saving Time exhibit text

    • The Library states DST was not created to let farmers work longer in the fields.

      What the source says
      not, as commonly believed, to allow farmers to work longer in the fields.
      Daylight Saving Time exhibit text

    • The agriculture industry fervently opposed DST because farm schedules follow sunrise and sunset.

      What the source says
      In fact, the agriculture industry fervently opposed the measure because…farming schedules are based on sunrise and sunset not the clock.
      Daylight Saving Time exhibit text

    • Farm lobbying drove the 1919 repeal Congress passed over President Wilson's veto.

      What the source says
      The agriculture industry lobbied for the repeal of daylight saving time…that Congress passed over President Wilson's veto in 1919.
      Daylight Saving Time exhibit text
  2. Government National Institute of Standards and Technology. Daylight Saving Time Rules

    NIST's explainer on current U.S. DST rules and history.

    Reliability: NIST maintains official U.S. time but says DST itself is regulated by the Department of Transportation.

    • In 2026 DST runs from March 8 to November 1 at 2 a.m. local time.

      What the source says
      During 2026, daylight saving time is in effect from March 8 at 2 a.m. (local time) to November 1 at 2 a.m. (local time).
      What are the current rules for daylight saving time?

    • The Department of Transportation regulates DST and time zones.

      What the source says
      Daylight saving time and time zones are regulated by the U. S. Department of Transportation, not by NIST.
      What are the current rules for daylight saving time?

    • DST was formally introduced in the U.S. in 1918.

      What the source says
      DST was formally introduced in the United States in 1918.
      What is daylight saving time?
  3. Government U.S. Government Publishing Office (U.S. Code). 15 U.S.C. § 260a – Advancement of time or changeover dates

    The federal statute setting U.S. DST dates, with its source credit and amendment notes.

    Reliability: Official text of federal law. It records the rules, not the reasons lawmakers gave for them.

    • Federal law sets DST from the second Sunday of March to the first Sunday of November.

      What the source says
      the second Sunday of March of each year…the first Sunday of November of each year
      § 260a(a)

    • The provision was enacted in April 1966 by Public Law 89-387, the Uniform Time Act.

      What the source says
      Pub. L. 89–387, §3, Apr. 13, 1966, 80 Stat. 107
      Source credit

    • A 2005 law moved the dates to March and November.

      What the source says
      Pub. L. 109–58 substituted "second Sunday of March" for "first Sunday of April"
      Amendments, 2005
  4. Government U.S. Department of Energy (via OSTI). Impact of Extended Daylight Saving Time on National Energy Consumption Report to Congress

    The 2008 DOE report to Congress, required by the Energy Policy Act of 2005, measuring electricity use during the extended DST weeks.

    Reliability: Required by Congress to evaluate the 2005 extension; it covers only the added weeks, not DST overall.

    • The extended weeks saved about 1.3 TWh of electricity.

      What the source says
      The total electricity savings of Extended Daylight Saving Time were about 1.3 Tera Watt-hour (TWh).
      Abstract

    • Qualifies: That is about 0.5% per day of extended DST, a small share of national use.

      What the source says
      This corresponds to 0.5 percent per each day of Extended Daylight Saving Time
      Abstract
  5. Reference work HISTORY (A&E Television Networks). 8 Things You May Not Know About Daylight Saving Time

    A popular-history explainer by Christopher Klein on DST's origins and effects.

    Reliability: A general-audience history site; not peer reviewed, but consistent with archival sources on this point.

    • American farmers did not lobby for DST.

      What the source says
      Contrary to popular belief, American farmers did not lobby for daylight saving.
      Body text

    • Agrarian interests led the 1919 repeal fight.

      What the source says
      Agrarian interests led the fight for the 1919 repeal of national daylight saving time.
      Body text

    • Qualifies: Evidence on DST's energy savings is inconclusive.

      What the source says
      Evidence does not conclusively point to energy conservation as a result of daylight saving.
      Section heading
  6. News report Connecticut Public. Hate Daylight Saving Time? Blame the Man From Filene's Basement

    A 2014 public-radio story interviewing historian Michael Downing, author of Spring Forward: The Annual Madness of Daylight Saving Time.

    Reliability: Relies mainly on one historian, Michael Downing, whose book is the standard popular history of DST.

    • Downing says farmers have consistently lobbied against DST.

      What the source says
      Downing said farmers have consistently lobbied against DST
      Body text

    • The 1918 adoption was framed as saving energy for the war effort.

      What the source says
      all under the rubric of trying to save energy for the war effort.
      Body text · Michael Downing, historian

    • After the war, business interests took up the DST cause.

      What the source says
      Then big business took up the DST cause.
      Body text

    • Qualifies: Some research suggests DST may not save energy and could increase use.

      What the source says
      It turns out DST might not impact energy consumption at all. It may even hurt it.
      Body text
  7. Advocacy group American Farm Bureau Federation. Setting the Record Straight: Daylight Saving Time and Farmers

    A viewpoint by AFBF's director of communications on farmers' historical opposition to DST.

    Reliability: The largest U.S. farm organization, speaking for the group the myth names. It cites historian Michael Downing.

    • DST was proposed to save energy and has been mistakenly attributed to farmers.

      What the source says
      DST was first proposed as a way to save energy, but since then many people have mistakenly attributed it to farmers.
      Body text

    • Downing found no reason farmers would want later sunrises.

      What the source says
      we didn't know why farmers would want to delay the time of sunrise from April through October,
      Body text · Michael Downing, historian

Update history

  1. First version.
  2. Addressed Source Checker feedback: removed the Massachusetts lawsuit detail, which rested only on an advocacy viewpoint; cut conclusion and objection details not traced to cited evidence; clarified what NIST confirms.

Feedback these versions applied

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