24-hour clock: References & Edit History
Article Contributors
Primary Contributors
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Daniel Costa
Daniel Costa is a writer for Encyclopedia Britannica. He has studied applied linguistics, philosophy, and history.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: Khan Academy - 12- and 24-hour time. | Jul 15, 2026 | ||
| Add new Web site: Khan Academy - 12- and 24-hour time. | Jun 18, 2026 | ||
| Add new Web site: Open Education Alberta - The Language of Medical Terminology - 24-Hour Clock. | Nov 21, 2025 | ||
| Add new Web site: Open Library Publishing Platform - Communication Exercises for Justice Cluster - Telling Time: the 24-Hour Clock. | Jan 17, 2025 | ||
| Add new Web site: Military.com - What Is Military Time? | Sep 26, 2024 | ||
| Add new Web site: Live About - The 24-Hour Military Time System. | Oct 13, 2023 | ||
| Media added. | Mar 03, 2023 | ||
| Chart converting times from the 24-hour clock to the 12-hour clock added. | Feb 28, 2023 | ||
| New article added. | Oct 14, 2022 |
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