Daylight Saving Time: References & Edit History
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Article Contributors
Primary Contributors
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Jonathan D. Betts
Curator of Horology, Royal Observatory Greenwich, National Maritime Museum.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Revised the Top Questions section. | Nov 01, 2026 | ||
| Added media. | Aug 11, 2026 | ||
| Revised the Top Questions section. | Jul 14, 2026 | ||
| Modified link of Web site: NPR - Daylight saving time ends Sunday. Here are 4 things you should know. | Jul 06, 2026 | ||
| Added top question about the Sunshine Protection Act. | Mar 06, 2026 | ||
| Revised Top Questions section. | Mar 02, 2026 | ||
| Add new Web site: Johns Hopkins - Bloomberg School of Public Health - 7 Things to Know About Daylight Saving Time. | Dec 19, 2025 | ||
| Revised the Top Questions section. | Nov 08, 2025 | ||
| Added a Top Questions section. | Nov 01, 2025 | ||
| Add new Web site: Frontiers - Frontiers in Physiology - Daylight Saving Time and Artificial Time Zones A Battle Between Biological and Social Times. | Oct 31, 2025 | ||
| Add new Web site: BBC - Places around the world that opt out of daylight savings - and why. | Aug 29, 2025 | ||
| Link added. | Feb 27, 2025 | ||
| Add new Web site: CNN - Daylight Saving Time is controversial. Heres why the US kept it. | Sep 09, 2024 | ||
| Add new Web site: National Institute of Standards and Technology - Physical Measurement Laboratory - Daylight Saving Time Rules. | May 28, 2024 | ||
| Add new Web site: NPR - Daylight saving time ends Sunday. Here are 4 things you should know. | Jan 02, 2024 | ||
| Media added. | Nov 02, 2023 | ||
| Add new Web site: National Center for Biotechnology Information - PubMed Central - Debunking myths about daylight saving time: ten things everyone should know about the benefits of permanent standard time. | Sep 05, 2023 | ||
| Add new Web site: Federation of American Scientists - Daylight Saving Time. | Jun 27, 2023 | ||
| Add new Web site: Canadian Encyclopedia - Daylight Saving Time in Canada. | May 17, 2023 | ||
| Add new Web site: Liveabout.com - When and How to Change Your Clocks for Daylight Saving Time. | Jan 05, 2023 | ||
| Add new Web site: Sleep Foundation - Daylight Saving Time. | Aug 20, 2022 | ||
| Add new Web site: CNN - Daylight Saving Time is controversial. Heres why the US kept it. | May 01, 2022 | ||
| Media added. | Mar 27, 2020 | ||
| Add new Web site: Pitara - What is Daylight Saving Time? | Feb 22, 2019 | ||
| Add new Web site: WebExhibits - Daylight Saving Time. | Sep 24, 2018 | ||
| Add new Web site: LiveScience - Daylight Saving Time 2017. | Dec 14, 2017 | ||
| Add new Web site: Australia.gov.au - Time. | Jan 21, 2014 | ||
| Add new Web site: NASA - Daylight Saving Time. | Jan 21, 2014 | ||
| Media added. | Mar 14, 2012 | ||
| Article revised and updated. | Mar 22, 2007 | ||
| Article revised and updated. | Jan 25, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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