Sunrise and sunset times in Arco
43.637° N, 113.300° W · times in America/Boise
On Friday 18 September 2026 the sun rises in Arco at 7:16 am and sets at 7:37 pm, giving 12 h 20 m of daylight. Solar noon is at 1:27 pm. Civil twilight begins at 6:47 am and ends at 8:06 pm. The moon rises at 3:27 pm and sets at 11:40 pm; tonight it is a first quarter, 49% illuminated.
Today, Friday 18 September 2026
Sun
- Sunrise
- 7:16 am
- Sunset
- 7:37 pm
- Solar noon
- 1:27 pm
- Daylight
- 12 h 20 m
- Civil dawn
- 6:47 am
- Civil dusk
- 8:06 pm
- Nautical dawn
- 6:13 am
- Nautical dusk
- 8:40 pm
- First light
- 5:38 am
- Last light
- 9:14 pm
- Golden hour, morning
- 6:58 am to 7:53 am
- Golden hour, evening
- 7:00 pm to 7:55 pm
- Blue hour, morning
- 6:47 am to 6:58 am
- Blue hour, evening
- 7:55 pm to 8:06 pm
Golden hour and blue hour are photographers' conventions, not astronomical definitions: golden hour is the sun between 4° below and 6° above the horizon, blue hour the sun between 6° and 4° below.
Moon
- Moonrise
- 3:27 pm
- Moonset
- 11:40 pm
- Phase
- First quarter
- Illumination
- 49% illuminated
The year as a wall almanac
Every day of 2026 in Arco on one printed sheet: sunrise, sunset and moon times, computed for these exact coordinates.
Seasons of 2026
| Event | Date | Local time |
|---|---|---|
| March equinox | 20 March | 8:37 am |
| June solstice | 21 June | 2:20 am |
| September equinox | 22 September | 6:09 pm |
| December solstice | 21 December | 1:49 pm |
Month by month
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:03 am | 5:22 pm | 9 h 18 m |
| February | 7:31 am | 6:03 pm | 10 h 31 m |
| March | 7:45 am | 7:39 pm | 11 h 54 m |
| April | 6:50 am | 8:16 pm | 13 h 26 m |
| May | 6:08 am | 8:51 pm | 14 h 43 m |
| June | 5:51 am | 9:16 pm | 15 h 24 m |
| July | 6:06 am | 9:11 pm | 15 h 05 m |
| August | 6:38 am | 8:36 pm | 13 h 57 m |
| September | 7:13 am | 7:42 pm | 12 h 29 m |
| October | 7:47 am | 6:49 pm | 11 h 01 m |
| November | 7:27 am | 5:07 pm | 9 h 39 m |
| December | 8:00 am | 4:56 pm | 8 h 56 m |
Values for the 15th of each month, local wall-clock time, daylight-saving shifts included.
Sunrise and sunset for the next seven days
| Date | Sunrise | Sunset | Daylight | Moonrise | Moonset |
|---|---|---|---|---|---|
| Saturday 19 September | 7:17 am | 7:35 pm | 12 h 18 m | 4:14 pm | — |
| Sunday 20 September | 7:18 am | 7:33 pm | 12 h 15 m | 4:52 pm | 12:38 am |
| Monday 21 September | 7:19 am | 7:31 pm | 12 h 12 m | 5:23 pm | 1:42 am |
| Tuesday 22 September | 7:20 am | 7:30 pm | 12 h 09 m | 5:49 pm | 2:49 am |
| Wednesday 23 September | 7:22 am | 7:28 pm | 12 h 06 m | 6:11 pm | 3:57 am |
| Thursday 24 September | 7:23 am | 7:26 pm | 12 h 03 m | 6:31 pm | 5:05 am |
| Friday 25 September | 7:24 am | 7:24 pm | 12 h 00 m | 6:51 pm | 6:14 am |
Longest and shortest day of 2026
- Longest day: 21 June, with 15 h 25 m of daylight.
- Shortest day: 21 December, with 8 h 55 m of daylight.
- Earliest sunrise: 5:51 am on 14 June.
- Latest sunset: 9:18 pm on 26 June.
Moon phases ahead
| Phase | Date | Local time |
|---|---|---|
| Full moon | 26 September | 10:48 am |
| Last quarter | 3 October | 7:25 am |
| New moon | 10 October | 9:49 am |
| First quarter | 18 October | 10:12 am |
Questions about sunrise and sunset in Arco
What time does the sun rise in Arco today?
The sun rises in Arco at 7:16 am today, Friday 18 September 2026.
What time is sunset in Arco today?
The sun sets in Arco at 7:37 pm today, Friday 18 September 2026.
How many hours of daylight does Arco have today?
Arco has 12 h 20 m of daylight today, from sunrise at 7:16 am to sunset at 7:37 pm.
When is golden hour in Arco today?
Golden hour in Arco is 6:58 am to 7:53 am in the morning and 7:00 pm to 7:55 pm in the evening today. Blue hour is 6:47 am to 6:58 am and 7:55 pm to 8:06 pm.
When are the longest and shortest days of the year in Arco?
In 2026 the longest day in Arco is 21 June, with 15 h 25 m of daylight. The shortest is 21 December, with 8 h 55 m.
What time does the moon rise and set in Arco tonight?
The moon rises at 3:27 pm and sets at 11:40 pm in Arco today.
What is the moon phase tonight in Arco?
Tonight the moon is a first quarter, 49% illuminated. The next full moon is on 26 September.
When does it get dark in Arco?
Civil twilight ends at 8:06 pm. Nautical twilight ends at 8:40 pm, and the sky is fully dark after astronomical dusk at 9:14 pm.
What time zone is Arco in?
Arco keeps America/Boise time. Every time on this page is local wall-clock time, with daylight saving changes included.
Can I get a printed sunrise and sunset calendar for Arco?
Yes. Sunrise at My House prints a wall almanac with every day of 2026 for Arco: sunrise, sunset and moon times computed for these coordinates.
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