Do love searches spike on full moon days?
No difference
Search volume is only a proxy for feelings. But ten years of queries carry a real rhythm of the human heart.
Searches for "ex boyfriend"
- Baseline (same weekday & month average = 100)
- 100.0
- Full moon days (±24h)
- 100.1
- New moon days (±24h)
- 99.6
- Verdict for full moon days
- No difference
Searches for "love horoscope"
- Baseline (same weekday & month average = 100)
- 100.0
- Full moon days (±24h)
- 102.3
- New moon days (±24h)
- 100.3
- Verdict for full moon days
- No difference
Searches for "crush"
- Baseline (same weekday & month average = 100)
- 100.0
- Full moon days (±24h)
- 100.2
- New moon days (±24h)
- 100.9
- Verdict for full moon days
- No difference
Data: 2016–2026, Google Trends (daily, overlapping windows stitched), 3,634 days
Act II: If not the moon, what makes us search?
Came looking for a difference? Here is a real one.
×2.0
On the 1% of days when searches for "love horoscope" spiked hardest — romance-drama premieres, celebrity news cycles — they ran about 2.0x the yearly average.
By weekday, the busiest day (Sunday) sees about 1.1x the searches of the quietest (Friday). An ordinary Sunday beats the full moon (about 1.0x) handily.
Across ten years, love searches turned out to be remarkably steady. What moves them isn't the moon — it's love stories on a screen, and Sunday nights when feelings go looking for somewhere to go.
The lore: full moons and matters of the heart
Few genres of moon lore run deeper than romance. In astrology, the full moon is when emotions "come to fullness" and things culminate; full-moon manifestation rituals for love, moon water, and full-moon date nights are thriving practices today. And "there's a full moon tonight" has been a pickup line for generations. That moonlit nights are romantic is not something anyone here intends to dispute.
The intuition has a perfectly reasonable core. Full-moon nights really are brighter; people go out. Look up at the moon and you think of someone. And when feelings move, modern humans search: *what is my ex doing now*, *what does this feeling mean*. A great deal of heartache now passes through a search box.
So this page frames the question as a testable one: if the full moon stirs the heart, romance-related searches should rise on full moon days. Search volume is not feeling itself — but ten years and thousands of days of queries carry the emotional rhythm of a population.
How this verdict is computed
- The data is Google Trends daily search interest (United States). We test several romance-related keywords independently, so the verdict is not hostage to one word's quirks (a TV premiere, a news cycle)
- Trends values are relative (the period's maximum = 100), and daily granularity is only available about nine months per request. We therefore fetch overlapping windows and stitch them onto one scale using the ratio over the overlap. Any stitching error lands equally on full-moon and new-moon days, so it barely affects the comparison
- Romance searches have strong weekday rhythms (weekends, Sunday nights) and seasonality (Valentine's Day, Christmas). The expected value is therefore the average for the same weekday × month, and we compare observed ÷ expected — the same adjustment used on the births and FX pages
- Each day is classified as a full moon day (±24h around the instant) or new moon day by the moon's age at noon US Eastern time, and each group's mean index is compared to baseline (100)
See the methodology page for the verdict criteria.
Caveats for reading search data
Search-based tests have built-in limits. First, searches count searchers, not lovers: whoever is too busy being in love on a full-moon night to type is missing from this statistic. Second, Trends values are sampled estimates and wobble slightly between fetches. That is exactly why this page uses several keywords and a decade of data — averaging beats the wobble down.
Still: if the full moon truly moved the collective heart, it would be strange for thousands of days of search data to show no 29.5-day swell at all. The verdict above is the answer to whether that swell exists.
Sources
- Google Trends (search interest, United States, daily; overlapping windows normalized and stitched)
- Moon phases computed in-house from Jean Meeus, "Astronomical Algorithms" (UTC)
Last updated: June 12, 2026 11:12 UTC (rebuilt daily)