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Rule Dark Skies

Interlaken - Dark Skies - Alps

Interlaken, Bern, Switzerland

Moonless nights with crystal-clear skies for deep-sky photography

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
Next opportunity
Pristine Dark Skies (pristine)
Interlaken
Sat, Mar 7 · 21:00–01:00 · 4h window
Low confidence
36%
🌛Moon Altitude-20.7-6.5°
☁️Total Cloud Coverage1.8-15.8%
starry-night weather icon
Good Dark Skies
Interlaken
Sat, Mar 14 · 01:00–02:00
🌛Moon Altitude:-35.1°
Low

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72-hour requirements breakdown

What passed or failed, hour by hour
6matching hours in the next 92 hoursJump to next match
OR logic: one branch per group is enough
Meets requirement
Misses requirement
Time
Europe/Zurich
Astronomical Night
Any
Total Cloud Coverage
≤ 20.0%
Visibility
≥ 12000.0m
Precipitation Chance
≤ 10.0%
Moon Illumination
OR1·B1
≤ 35.0%
Moon Altitude
OR1·B2
≤ 10.0°
Wed, Mar 4
05:00✓4.5%24134m0%99%23°
06:00✕4.5%24134m0%99%13°
07:00✕3.1%24134m0%99%3.3°
08:00✕3.5%24135m0%99%-6.8°
09:00✕4%24135m0%99%-17°
10:00✕2.2%24134m0%99%-26°
11:00✕0%24135m0%99%-34°
12:00✕1.7%24134m0%99%-40°
13:00✕1.1%24134m0%99%-43°
14:00✕3.1%24134m0%99%-43°
15:00✕3.6%24134m0%99%-39°
16:00✕3.1%24135m0%99%-33°
17:00✕2%24135m0%99%-25°
18:00✕1.4%24135m0%99%-16°
19:00✓1.1%24135m0%99%-6.9°
20:00✓0.1%24135m0%99%2.9°
21:00✓0.5%24134m0%99%13°
22:00✓0%24134m0%99%22°
23:00✓0%24135m0%99%29°
Thu, Mar 5
24:00✓0%24135m0%99%36°
01:00✓1.9%24134m0%96%39°
02:00✓3.3%24135m0%96%40°
03:00✓5%24134m0%96%37°
04:00✓4.5%24134m0%96%32°
05:00✓4.5%24134m0%96%24°
06:00✕0%24135m0%96%16°
07:00✕0%24134m0%96%5.9°
08:00✕6.1%24135m0%96%-4.1°
09:00✕43%24135m0%96%-14°
10:00✕73%24134m0%96%-24°
11:00✕88%24134m0%96%-33°
12:00✕93%24134m0%96%-41°
13:00✕100%24135m0%96%-47°
14:00✕100%24134m0%96%-50°
15:00✕100%24134m0%96%-48°
16:00✕8.6%24134m0%96%-44°
17:00✕43%24135m0%96%-36°
18:00✕100%24135m0%96%-28°
19:00✕100%24135m0%96%-18°
20:00✓56%24134m0%96%-8.5°
21:00✓49%24134m0%96%1.2°
22:00✓100%24134m0%96%10°
23:00✓98%24134m0%96%19°
Fri, Mar 6
24:00✓100%24135m0%96%26°
01:00✓100%24134m0%90%31°
02:00✓100%24135m0%90%34°
03:00✓100%24135m0%90%33°
04:00✓100%24134m0%90%30°
05:00✓100%24134m0%90%25°
06:00✕100%24134m0%90%17°
07:00✕100%24135m0%90%8.2°
08:00✕100%24134m0%90%-1.4°
09:00✕100%24135m0%90%-11°
10:00✕100%24134m0%90%-22°
11:00✕95%24134m0%90%-31°
12:00✕100%24135m0%90%-41°
13:00✕100%24134m0%90%-49°
14:00✕100%24134m0%90%-54°
15:00✕100%24135m0%90%-55°
16:00✕100%24134m0%90%-53°
17:00✕100%24134m0%90%-47°
18:00✕97%24134m0%90%-39°
19:00✕72%24135m0%90%-29°
20:00✓96%24135m0%90%-20°
21:00✓100%24134m0%90%-9.9°
22:00✓100%24134m0%90%-0.41°
23:00✓100%24134m0%90%8.4°
Sat, Mar 7
24:00✓100%24135m0%90%16°
01:00✓100%24135m0%84%22°
02:00✓100%24135m0%84%27°
03:00✓100%24135m0%84%28°
04:00✓95%24134m0%84%27°
05:00✓75%24135m0%84%24°
06:00✕99%24134m0%84%18°
07:00✕54%24135m0%84%10°
08:00✕49%24135m0%84%1.5°
09:00✕44%24135m0%84%-8.1°
10:00✕39%24135m0%84%-18°
11:00✕37%16353m0%84%-28°
12:00✕34%8570m0%84%-38°
13:00✕31%788m0%84%-47°
14:00✕35%694m0%84%-55°
15:00✕38%599m0%84%-60°
16:00✕41%505m0%84%-60°
17:00✕41%541m0%84%-56°
18:00✕41%578m0%84%-49°
19:00✕41%614m0%84%-40°
20:00✓28%8454m0%84%-30°
21:00✓16%16295m0%84%-21°
22:00✓3.3%24135m0%84%-11°
23:00✓2.5%24135m0%84%-1.8°
Sun, Mar 8
24:00✓1.8%24135m0%84%6.5°
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity). For OR groups, only one branch is required, so some OR-branch predicates can be ✕ even in a matching hour.

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