♂ Mars ⚺ Semisextile ♄ Saturn
30° · minor aspect · neutral · default orb ±2°
A thirty-degree separation between Mars and Saturn places the two classical malefics, heat and haste beside cold and delay, in signs that share nothing by element, modality, or polarity. Tradition gives Mars cutting, contest, and courage, and Saturn obstruction, labor, and time; the semisextile renders their famous friction as a low, persistent scrape rather than open conflict. The domains older sources tie to the pair, engineering and fortification, disciplined force, work under constraint, hard trades and long campaigns, appear here in miniature, with practitioners describing effort that must repeatedly renegotiate its limits.
Traditional reading
Hellenistic authors would call these signs averse, and there is an old logic by which malefics unable to behold one another were considered less capable of joint harm, a point sometimes revived when moderns weigh this figure. Reception offers another mitigation the sources record: Mars is exalted in Capricorn, a Saturn-ruled sign, giving the faster planet dignity in the slower one's territory. Mars applies throughout, and the aspect's standing as a meaningful angle rests on post-classical practice rather than on Ptolemy, who admitted no thirty-degree figure.
Classical reading
Adjacent-sign aspect (30°). Classical sources treat it as minor and somewhat dissonant due to lack of shared element or modality.
Modern reading
Modern reading: subtle adjustment. Two principles in adjacent signs requiring small course corrections to integrate.
The two bodies
Other Mars–Saturn aspects
More on the Semisextile aspect in general.
Reference, not advice
This is cultural and astronomical reference, not personal prediction or advice.
Last reviewed .