Standard Time
Definition
Standard Time is a civil timekeeping system in which a geographic region uses the same clock time, usually based on an agreed reference meridian and a fixed offset from Universal Time. It differs from local mean time, which reflects the Sun’s average position at a specific longitude. Historical records may instead follow daylight saving, wartime, or other regional rules.
Astrological Meaning
In astrology, Standard Time is a calculation factor rather than a planet, point, or interpretive symbol. A recorded birth time must be identified according to the legal clock system used at that place and date. The astrologer or chart software then accounts for the applicable time-zone offset and any daylight-saving adjustment before converting the time to Universal Time. This conversion supports the calculation of planetary positions, angles, houses, and sidereal time.
Why It Matters
Accurate time conversion helps produce a reliable natal chart. An incorrect assumption about Standard Time can shift the Ascendant, Midheaven, house cusps, and sometimes the Moon’s position. Extra care may be needed for births near time-zone boundaries, during clock changes, or in places with complicated historical regulations. When records are uncertain, astrologers may compare official time-zone archives rather than treating the written clock time as self-explanatory.
Related Encyclopedia Entries
- Traditional Astrology
- Astrological Terminology
- Natal Chart
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