Dictionary term
Water Clock
Direct answer
Water Clock is a timekeeping device that uses accumulated or discharged water to mark intervals or drive an indication.
Water Clock is a liquid-flow clock used in historical astronomy, timekeeping, or navigation.
- Source
- The Great Almanac Dictionary
- Category
- Historical Almanacs & Instruments
- Also appears in
- Historical Almanacs & Instruments
- Aliases
- None listed
- Last updated
- 2026-07-16
Quick reference
- Use when
- Use Water Clock by calibrating the actual vessel and flow regime rather than assuming volume changes linearly with time.
- Do not use it for
- Evaporation, viscosity, changing pressure head, leakage, and scale design all alter the rate.
- Reference category
- Historical Almanacs & Instruments
- Related terms
- Pendulum Clock, Clepsydra, Hourglass, Compass Rose
The story behind Water Clock
Water clocks developed from marked bowls into elaborate regulated and automated mechanisms.
Water Clock in spiritual tradition
Water Clock rewards careful observation, explicit assumptions, and humility about the limits of every model or measurement.
The Great Almanac frames Water Clock with educational restraint. Mystical or symbolic language may be meaningful, but it should not be exaggerated into certainty, panic, or permission to ignore ordinary responsibility.
Water Clock in the Bible
This is a factual history-of-science, instrument, timekeeping, or navigation reference. It may support wonder and disciplined attention without becoming a claim of fate, worship, or private revelation.
Water Clock in numerology
Water Clock is not a numerology claim. Any numbers attached to it should retain their ordinary scientific, calendrical, navigational, or historical meaning unless a separate symbolic interpretation is clearly labeled.
Why Water Clock matters
Water Clock matters because it extends time measurement into night and indoor settings where a sundial cannot work.
Example in a reading: A float rising with collected water can move a pointer across a time scale.
Interpretive caution: Evaporation, viscosity, changing pressure head, leakage, and scale design all alter the rate.
How Water Clock is used in a reading
Use Water Clock by calibrating the actual vessel and flow regime rather than assuming volume changes linearly with time.
Where interpretation stops
Water Clock is presented as sourced astronomy, calendrical, Earth-science, cultural, or instrument-history reference. Definitions should distinguish measured phenomena from civil convention and historical interpretation, preserve location and time dependencies, and avoid turning factual sky data into a deterministic personal claim.
Sources and editorial method
Research references used for this entry include:
- Royal Museums Greenwich: A Unique History of Timekeeping - Museum overview of marine chronometers, astronomical regulators, and the development of precision timekeeping.
The page starts with a direct definition, then separates use, example, caution, spiritual meaning, and historical context. For astrology, occult, demonology, curse, and spiritual warfare terms, the editorial rule is to explain the term without making fear-based, fatalistic, medical, legal, financial, or ritual-instruction claims.
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These related entries help place Water Clock inside a wider reference cluster instead of leaving it as a standalone keyword.
