Sun Times in Rock Falls
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Frequently Asked Questions
What time is sunrise in Rock Falls?
Sunrise in Rock Falls on Friday, August 14, 2026 is at 6:06 AM (America/Chicago). This time is calculated from the city's coordinates.
What time is sunset in Rock Falls?
Sunset in Rock Falls on Friday, August 14, 2026 is at 7:59 PM (America/Chicago). This time is calculated from the city's coordinates.
When is golden hour in Rock Falls?
Morning golden hour in Rock Falls ends at 6:44 AM. Evening golden hour starts at 7:21 PM.
How long is the day in Rock Falls?
On Friday, August 14, 2026 in Rock Falls there are 13 hours and 53 minutes of daylight between sunrise and sunset.
What time is the sun at its highest point in Rock Falls?
The sun reaches its highest point (solar noon) in Rock Falls at 1:03 PM (America/Chicago). This is when the sun crosses the meridian and shadows are at their shortest.
What time does it get dark in Rock Falls?
In Rock Falls, sunset is at 7:59 PM and it gets fully dark (astronomical dusk) at 9:45 PM (America/Chicago). Civil twilight ends at 8:29 PM when outdoor activities need artificial light.
How long does twilight last in Rock Falls?
Twilight in Rock Falls lasts approximately 106 minutes from sunset to full darkness (astronomical dusk). This includes civil twilight, nautical twilight, and astronomical twilight.
What is the earliest sunrise of the year in Rock Falls?
The earliest sunrise in Rock Falls in 2026 is at 5:23 AM on June 9 (America/Chicago). This occurs around the summer solstice when days are longest.
What is the latest sunset of the year in Rock Falls?
The latest sunset in Rock Falls in 2026 is at 8:37 PM on June 21 (America/Chicago). This occurs shortly after the summer solstice.
What time does it actually get dark after sunset in Rock Falls?
After sunset at 7:59 PM in Rock Falls, civil twilight ends at 8:29 PM — about 30 minutes later — when the sky becomes too dark for outdoor activities without artificial light. Full darkness (astronomical dusk) arrives at 9:45 PM (America/Chicago).
What these times mean
Solar times in Rock Falls 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 Rock Falls
Sunrise, sunset, and total daylight in Rock Falls on the 15th of each month for 2026. Times reflect the city's local timezone.
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:23 AM | 4:53 PM | 9h 30m |
| February | 6:54 AM | 5:32 PM | 10h 38m |
| March | 7:10 AM | 7:05 PM | 11h 55m |
| April | 6:18 AM | 7:39 PM | 13h 21m |
| May | 5:38 AM | 8:12 PM | 14h 33m |
| June | 5:23 AM | 8:35 PM | 15h 12m |
| July | 5:37 AM | 8:31 PM | 14h 55m |
| August | 6:07 AM | 7:58 PM | 13h 51m |
| September | 6:39 AM | 7:07 PM | 12h 29m |
| October | 7:11 AM | 6:17 PM | 11h 06m |
| November | 6:48 AM | 4:38 PM | 9h 50m |
| December | 7:19 AM | 4:28 PM | 9h 10m |
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