CalculationTime

Big Dipper Clock

Time Duration Calculator
CalculationTime

Big Dipper Clock

A Northern Hemisphere counterpart to the Southern Cross Clock, using Ursa Major and Polaris as a visible sky-time instrument.

Inputs, result, proof and time.

Use the instrument above, then check the calculation record, assumptions and related tools below.

Northern Hemisphere sky clock

Big Dipper Clock

A Northern Hemisphere counterpart to the Southern Cross Clock, using Ursa Major and Polaris as a visible sky-time instrument.

Workshop productUrsa Major sky clockLaunched 27 Jul 2026 from `big-dipper-clock.html`; original preserved in the 2026-07-27 inbox.
Sky anchorPolaris pointerUses Merak and Dubhe as the northern pointer pair around Polaris.
HemisphereNorthern counterpartDesigned as the twin of the Southern Cross Clock rather than a replacement.
FormatStandalone HTMLCopied into a dated full-screen app route for review.
StatusLaunched 27 Jul 2026Workshop-only, noindex, awaiting astronomy/source and mobile review.
Atomic summary

Big Dipper Clock extends the sky-clock family north of the equator.

The standalone HTML build frames the Big Dipper pointers around Polaris as a clock-like seasonal and time reference. It belongs in the workshop as a paired comparison with the Southern Cross Clock before any permanent public calculator route is chosen.

Sky anchorPolaris pointerUses Merak and Dubhe as the northern pointer pair around Polaris.
HemisphereNorthern counterpartDesigned as the twin of the Southern Cross Clock rather than a replacement.
FormatStandalone HTMLCopied into a dated full-screen app route for review.
StatusLaunched 27 Jul 2026Workshop-only, noindex, awaiting astronomy/source and mobile review.

Interactive workshop instrument

Open Big Dipper Clock inside CalculationTime

Open full screen