Moon phase in San Juan today
The current moon phase, illumination, moonrise and moonset for San Juan, Puerto Rico, plus the dates of the next new moon, first quarter, full moon and last quarter, converted to local time.
| Phase | Date | Local time |
|---|---|---|
| Last Quarter | Saturday, 3 October 2026 | 09:40 |
| New Moon | Saturday, 10 October 2026 | 11:20 |
| First Quarter | Sunday, 18 October 2026 | 11:51 |
| Full Moon | Sunday, 25 October 2026 | 23:51 |
Moon phase and moon times in San Juan
From night photographers to casual sky watchers, here is the current moon phase for San Juan, Puerto Rico. As of Thursday, 1 October 2026, the moon is in its waning gibbous phase, with about 66% of its visible disc illuminated. On that date the moon rises at 22:13 and sets at 11:04 in San Juan, in the city's own local time. The phase itself, meaning how much of the moon is lit, is the same everywhere on Earth at a given moment. What differs by location is moonrise and moonset, which depend on San Juan's own coordinates and time zone, and that is exactly what this page adds on top of the global moon phase. The next full moon reaches its peak on Sunday, 25 October 2026, with the next new moon following on Saturday, 10 October 2026, both converted to San Juan's local calendar below.
Frequently asked questions about the moon in San Juan
What moon phase is it today in San Juan?
As of Thursday, 1 October 2026, the moon is in its waning gibbous phase, with about 66% of its visible disc illuminated. This is a global figure: the phase is identical for everyone on Earth at the same moment, San Juan included.
What time does the moon rise and set in San Juan?
On Thursday, 1 October 2026 the moon rises at 22:13 and sets at 11:04 in San Juan, Puerto Rico, in local time. Unlike the phase, moonrise and moonset are entirely local: they shift with San Juan's coordinates and time zone.
When is the next full moon in San Juan?
The next full moon falls on Sunday, 25 October 2026, converted to San Juan local time. Because the moon takes about 29.5 days to cycle, there is roughly one full moon every month.
When is the next new moon in San Juan?
The next new moon, when the moon sits closest to the sun in the sky and the night is darkest for stargazing, falls on Saturday, 10 October 2026, San Juan local time.
How accurate is the moon data for San Juan?
Every figure on this page, the phase, illumination, moonrise and moonset, is computed with the SunCalc astronomy library from San Juan's real coordinates, not looked up from a table or estimated. It is accurate to within a few minutes for a flat horizon; hills and tall buildings nearby can shift the moment you actually see moonrise or moonset by a little.
Data and methodology: every figure on this page is computed from San Juan's coordinates with SunCalc, an open source astronomy library, not estimated or looked up from a table.
Nearby cities
The moon phase is the same everywhere, but moonrise and moonset shift as you move east, west, north or south. Check the moon times for places close to San Juan.