Dusk and last light in Porto Alegre
Last light (civil dusk) in Porto Alegre today fades at 18:16, about 25 minutes after the sun sets at 17:50. The sky is fully dark by astronomical dusk at 19:13. Times for Wednesday, 29 July 2026, in Porto Alegre's local time zone.
| Stage | What it means | Local time |
|---|---|---|
| Sunset | the sun dips below the horizon | 17:50 |
| Civil dusk (last light) | sun 6° below, usable light ends | 18:16 |
| Nautical dusk | sun 12° below, sea horizon gone | 18:44 |
| Astronomical dusk | sun 18° below, full night | 19:13 |
Dusk in Porto Alegre, stage by stage
Dusk in Porto Alegre runs the same three stages as dawn, in reverse. Once the sun sets, civil dusk, the last usable light, lingers until the sun is 6 degrees below the horizon. Nautical dusk follows at 12 degrees, when the sea horizon disappears, and astronomical dusk at 18 degrees, after which the sky is fully dark and the faintest stars appear. How long dusk lasts depends on Porto Alegre's latitude: near the equator night falls fast, while at high latitudes dusk can stretch for hours or, in high summer, never fully darken. Every time here is computed for Porto Alegre's coordinates and shown in its local time zone.
Frequently asked questions about dusk in Porto Alegre
What time is last light in Porto Alegre today?
Last light (civil dusk) in Porto Alegre fades at 18:16 on Wednesday, 29 July 2026, about 25 minutes after sunset at 17:50. All times are in Porto Alegre's local time zone.
What is the difference between dusk and sunset in Porto Alegre?
Sunset is the instant the sun disappears below the horizon in Porto Alegre; dusk is the fading twilight that follows. Last light (civil dusk) ends the usable light after sunset.
When does it get fully dark in Porto Alegre?
Porto Alegre reaches full darkness at astronomical dusk, 19:13 on Wednesday, 29 July 2026, when the sun is 18 degrees below the horizon.
Every time on this page is computed from Porto Alegre's coordinates with SunCalc, not estimated or looked up from a table.