Why do we have so many calendars?

A faceless AI Short generated with Kineo · 2026-05-28

Made in a few minutes with AI 🤯

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The brief behind this video

Why do we have so many calendars?

The Gregorian calendar we use today was introduced by Pope Gregory XIII in 1582.

But did you know — other cultures like the Chinese and Islamic civilizations use lunar calendars?

Here’s the kicker — the Gregorian calendar is actually 13 days behind the solar year, creating a drift!

How this Short was made

Kineo turned a single topic line into this vertical video: it wrote the script, generated the voiceover, burned in the captions and matched stock footage to every beat. No camera, no editing timeline, no voice recording — the render finishes in a few minutes.