Opposition · 180° apart
Opposition
Opposite signs sit across the wheel. Each holds exactly what the other lacks, which makes the pairing either complementary or exhausting.
Earth · Mutable · ruled by Mercury
Brings. Spots the flaw everyone else missed, and fixes it rather than pointing at it.
Struggles with. Applies the same scrutiny to itself until nothing is ever finished well enough.
In love. Shows love through practical help. Criticism is often affection badly aimed.
Water · Mutable · ruled by Neptune (traditionally Jupiter)
Brings. Feels what other people feel, often before they do. Creative without forcing it.
Struggles with. Absorbs moods indiscriminately and retreats into fantasy when reality gets loud.
In love. Devoted and idealising. Prone to loving a version of someone rather than the person.
Virgo is mutable earth; Pisces is mutable water. Sharing a modality means handling change the same way, which sounds helpful and often means competing for the same role.
Sun signs are one factor among many, and astrology itself treats them as a starting point rather than a verdict. Two full charts describe far more than two birthdays do.
Computed, not asserted
Zodiac signs are not equally common — the Sun spends different amounts of time in each, so some pairings occur far more often than others. This one is 1.402% of all possible pairings, which ranks 32 of 78.
Only 6 of the 78 pairings form a opposition, so this configuration is genuinely uncommon — unlike most things described as rare in compatibility writing. Note also the rising times: at London’s latitude these two signs spend very different amounts of time on the ascendant, which is why one of them turns up as a rising sign far more often than the other. The full table is here.