👉 The holiday fluid refers to the phenomenon where the dates of major holidays shift from year to year due to the way the Gregorian calendar operates. Unlike some other calendars that align more precisely with religious or cultural cycles, the Gregorian calendar has a slight leap year adjustment every four years, but it does not perfectly synchronize with the lunar or solar cycles that many holidays are based on. This results in holidays like Christmas, Easter, and others falling on different dates each year, sometimes by a few days or even weeks. For example, Easter can fall on any day of the week between March 22 and April 25. This fluidity means that while the calendar may suggest a fixed date for a holiday, its actual observance can vary annually, reflecting the complexities of aligning human traditions with natural cycles.
