CALENDARS & PRECESSION

▸ Loading Earth orbiting the Sun (23.5° axis)…
▸ Year = 365.2422 days → the 4–100–400 leap-year rule
▸ Lunar month 29.53 days — lunisolar calendars
▸ Axial precession ~25,770 years — the pole star changes…
▸ Online. ✅
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⌂ Timeline

Simulation room Calendars & Precession

Calendars & Precession
Online
📅 365.2422 days/year
Now showing
📅 Calendar
Days elapsed
Months (lunar)
Years
Pole star
Scenario
Astronomy → calendar
Drag Precession to rotate the north axis through the pole stars · pick a unit / scenario on the right
Day length (daylight hours) through the seasonsdaylight hours
About Calendars & Precession

Calendars & Precession is one of 20 topics in the Cosmic Timeline domain (Big Bang → ∞ scale) at My Labs — an interactive simulation atlas. This virtual lab runs right in your browser: adjust the parameters, pick a scenario and watch the phenomenon change in real time, with a click-to-inspect cross-section for every structure.

Related topics in Cosmic Timeline