Calendar Systems & Timekeeping
Julian Calendar
Embed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/holidayfyi-embed@1/dist/embed.min.js" defer></script>
<div data-holidayfyi="glossary" data-slug="julian-calendar"></div>Embed via iframe for maximum compatibility.
<iframe src="https://holidayfyi.com/iframe/glossary/julian-calendar/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://holidayfyi.com/glossary/julian-calendar/Add a dynamic SVG badge to your README or docs.
[](https://holidayfyi.com/glossary/julian-calendar/)Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/holidayfyi-embed@1/dist/embed.min.js" defer></script>
<holidayfyi-glossary slug="julian-calendar"></holidayfyi-glossary>The predecessor to the Gregorian calendar, introduced by Julius Caesar in 46 BCE, with a year of 365.25 days achieved by adding a leap day every four years. The Julian calendar drifted from the solar year over centuries, prompting the Gregorian reform. Eastern Orthodox churches still use the Julian calendar for calculating religious holidays, placing Christmas on January 7 in Gregorian terms.
Referenced In
Guides
- Balkan Holiday Traditions
- British Isles Holiday Celebrations
- Christian Holidays: A Complete Guide
- How Is the Date of Easter Calculated?
- Intercalation: The Science of Calendar Adjustment
- Leap Year Holidays Explained
- Middle Eastern Observances
- Middle East Holiday Calendar
- Orthodox Christian Holidays
- Religious Holidays Explained