Moon tonight · Guaynabo, Guaynabo, Puerto Rico
Moon Phase Tonight in Guaynabo, Guaynabo, Puerto Rico
Tonight's Moon in Guaynabo, Guaynabo, Puerto Rico is a waxing gibbous, 61% illuminated, rising Tue, Oct 20, 2:21 PM AST and setting Tue, Oct 20, 1:11 AM AST.
Live moon phase and illumination with local moonrise, moonset and transit times for Guaynabo, Guaynabo, Puerto Rico, plus how tonight's moonlight affects stargazing and aurora viewing.
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Waxing Gibbous
61% illuminated · 9.2 days into the lunar cycle
Moonrise
Highest in sky
Moonset
Local time (America/Puerto Rico), next events after this page was generated. Calculated with astronomy-engine for 18.36°, -66.11°.
Local sky conditions
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Moon impact on stargazing & aurora
At 61% illumination moonlight is moderate: a strong aurora still shows, but faint activity and dim nebulae are washed out while the Moon is up.
Aurora at 18.4° latitude generally needs about Kp 9.0.
Moon tonight in Guaynabo: common questions
What is tonight's moon phase in Guaynabo, Guaynabo, Puerto Rico?
Tonight's Moon in Guaynabo, Guaynabo, Puerto Rico is a Waxing Gibbous, about 61% illuminated and 9.2 days into the lunar cycle, calculated for 2026-10-19 (UTC). The phase is the same worldwide; its tilt and the times it is above the horizon depend on your location.
What time is moonrise and moonset in Guaynabo, Guaynabo, Puerto Rico tonight?
The next moonrise in Guaynabo, Guaynabo, Puerto Rico is Tue, Oct 20, 2:21 PM AST and the next moonset is Tue, Oct 20, 1:11 AM AST (local time, America/Puerto Rico). Times are calculated from the city's coordinates with the astronomy-engine library and refer to the geometric rise and set of the Moon's upper limb.
How does tonight's moonlight affect stargazing and aurora viewing in Guaynabo, Guaynabo, Puerto Rico?
At 61% illumination moonlight is moderate: a strong aurora still shows, but faint activity and dim nebulae are washed out while the Moon is up. Check clear-sky and aurora conditions for Guaynabo, Guaynabo, Puerto Rico on the linked aurora and sky-tonight pages before heading out.