Sun Times in Alton
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Frequently Asked Questions
What time is sunrise in Alton?
Check the sunrise time displayed above for Alton (America/Chicago). Times are calculated from the city's coordinates.
What time is sunset in Alton?
Check the sunset time displayed above for Alton (America/Chicago). Times are calculated from the city's coordinates.
When is golden hour in Alton?
Golden hour times for Alton are displayed above. Morning golden hour runs from sunrise until about an hour after. Evening golden hour starts about an hour before sunset.
How long is the day in Alton?
The day length for Alton is shown above. It represents the time between sunrise and sunset.
What time is the sun at its highest point in Alton?
The sun's highest point (solar noon) for Alton is shown in the times above (America/Chicago). This is when the sun crosses the meridian.
What time does it get dark in Alton?
Sunset and dusk times for Alton are displayed above (America/Chicago). It typically takes over an hour after sunset for the sky to get fully dark.
How long does twilight last in Alton?
Twilight duration in Alton varies by season. You can calculate it from the sunset and astronomical dusk times shown above.
What is the earliest sunrise of the year in Alton?
The earliest sunrise in Alton in 2026 is at 5:34 AM on June 11 (America/Chicago). This occurs around the summer solstice when days are longest.
What is the latest sunset of the year in Alton?
The latest sunset in Alton in 2026 is at 8:30 PM on June 24 (America/Chicago). This occurs shortly after the summer solstice.
What time does it actually get dark after sunset in Alton?
After sunset in Alton, civil twilight lasts roughly 30 minutes, during which the sky fades but remains somewhat bright. Full darkness follows after astronomical dusk. See the exact times above.
What these times mean
Solar times in Alton shift throughout the year. Each stage of the day brings distinct light that photographers, outdoor planners, and everyday users rely on.
- Dawn
- The first usable twilight before sunrise, when the horizon brightens and color gradually returns to the sky.
- Sunrise
- The moment the upper edge of the sun appears above the horizon, starting direct daylight.
- Golden Hour
- The low-angle window just after sunrise and just before sunset, producing warm, soft light favored by photographers.
- Sunset
- The moment the upper edge of the sun drops below the horizon, ending direct sunlight for the day.
- Dusk
- The fading twilight after sunset, ending with astronomical dusk when the sky becomes fully dark.
Monthly daylight in Alton
Sunrise, sunset, and total daylight in Alton on the 15th of each month for 2026. Times reflect the city's local timezone.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 5:03 PM | 9h 45m |
| February | 6:51 AM | 5:38 PM | 10h 47m |
| March | 7:11 AM | 7:07 PM | 11h 56m |
| April | 6:24 AM | 7:37 PM | 13h 14m |
| May | 5:48 AM | 8:06 PM | 14h 18m |
| June | 5:34 AM | 8:27 PM | 14h 53m |
| July | 5:47 AM | 8:25 PM | 14h 37m |
| August | 6:14 AM | 7:55 PM | 13h 41m |
| September | 6:42 AM | 7:08 PM | 12h 27m |
| October | 7:10 AM | 6:22 PM | 11h 12m |
| November | 6:43 AM | 4:46 PM | 10h 03m |
| December | 7:12 AM | 4:39 PM | 9h 28m |
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