Fajr Prayer Times — San Juan, Puerto Rico – 04:45
Today's Islamic prayer times in San Juan, Puerto Rico include Fajr, Dhuhr, Asr, Maghrib and Isha. View the full Muslim prayer timetable for today and the upcoming days.
Fajr Prayer Times
04:45
San Juan, Puerto Rico · Islamic Society of North America (ISNA)
Today's Salah Times in San Juan
Across the year Fajr in San Juan swings between 04:41 and 05:47 — today’s 04:45 is one point on that arc.
Dawn at 15°
Today’s 04:45 occurs the moment the sun reaches 15° beneath San Juan’s horizon — a measurement the unaided eye cannot make, which is why the calendar matters.
Fajr Sadiq vs Kadhib
False dawn (Fajr Kadhib) glows briefly before 04:45 in San Juan; true dawn (Fajr Sadiq) spreads horizontally and is the basis of today’s 04:45.
Longitude Footprint
Each 1° of longitude shifts Fajr by roughly four minutes — San Juan sits at 66.1° west, anchoring its dawn at 04:45.
Around the Summer Solstice
Near June 21 in San Juan Fajr falls close to 04:41, the earliest of its annual swing.
Sunrise Footprint
Today’s sunrise in San Juan reaches 05:53; over the next week it adjusts about 2 minute(s) later, dragging Fajr with it.
Twilight Geometry
Light progresses from astronomical dawn to sunrise in about 68 minutes here — at the equator this would be ~75 minutes, at the poles, hours.
City Coordinates
San Juan is anchored at 18.5° latitude, 66.1° west — those numbers are what the calendar quietly uses to compute today’s 04:45.
Dawn vs Civil Light
Astronomical dawn at 04:45 precedes visible brightness by roughly 34 minutes — the sky is still dark at adhan, then unfolds quickly toward 05:53.