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Check the sunrise time displayed above for Alton (). Times are calculated from the city's coordinates.
Check the sunset time displayed above for Alton (). Times are calculated from the city's coordinates.
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.
The day length for Alton is shown above. It represents the time between sunrise and sunset.
The sun's highest point (solar noon) for Alton is shown in the times above (). This is when the sun crosses the meridian.
Sunset and dusk times for Alton are displayed above (). It typically takes over an hour after sunset for the sky to get fully dark.
Twilight duration in Alton varies by season. You can calculate it from the sunset and astronomical dusk times shown above.
The earliest sunrise in Alton in 2026 is at 3:49 AM on June 13 (). This occurs around the summer solstice when days are longest.
The latest sunset in Alton in 2026 is at 8:24 PM on June 21 (). This occurs shortly after the summer solstice.
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.
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.
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 | 8:02 AM | 4:25 PM | 8h 23m |
| February | 7:18 AM | 5:19 PM | 10h 01m |
| March | 6:19 AM | 6:08 PM | 11h 49m |
| April | 5:10 AM | 6:59 PM | 13h 49m |
| May | 4:15 AM | 7:48 PM | 15h 33m |
| June | 3:49 AM | 8:21 PM | 16h 32m |
| July | 4:06 AM | 8:14 PM | 16h 08m |
| August | 4:51 AM | 7:28 PM | 14h 37m |
| September | 5:39 AM | 6:21 PM | 12h 41m |
| October | 6:27 AM | 5:13 PM | 10h 46m |
| November | 7:21 AM | 4:18 PM | 8h 57m |
| December | 8:02 AM | 3:58 PM | 7h 56m |
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