Rule
Blue Hour
Miyajima - Blue Hour - Japan
Miyajima, Hiroshima, Japan
When city lights balance with the deep blue twilight sky
Currently
Real-time conditionsCloud Cover0%
Moon Altitude-63.1°
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Asia/Tokyo
Next opportunity
Good Blue Hour (clear) at Dawn
Miyajima
Tomorrow · 05:57–06:00 · 1h window
Medium confidence
67%
🌉Blue Hour Quality69.5%
Cloud Cover: 5%
Moon Illumination: 30%
Moon Altitude: 14.2°
Good Blue Hour (clear) at Sunrise
Miyajima
Tomorrow · 06:00–06:07
🌉Blue Hour Quality:69.5%
Medium
Good Blue Hour (clear) at Sunset
Miyajima
Tomorrow · 18:32–18:42
🌉Blue Hour Quality:74.1%
High
Good Blue Hour (clear) at Dawn
Miyajima
Sun, Mar 15 · 05:56–06:00
🌉Blue Hour Quality:77%
High
Good Blue Hour (clear) at Sunrise
Miyajima
Sun, Mar 15 · 06:00–06:06
🌉Blue Hour Quality:77%
High
Good Blue Hour (clear) at Dawn
Miyajima
Mon, Mar 16 · 05:55–06:00
🌉Blue Hour Quality:70.5%
Medium
Good Blue Hour (clear) at Sunrise
Miyajima
Mon, Mar 16 · 06:00–06:04
🌉Blue Hour Quality:79%
Medium
What this forecast looks for
Plain-language explanation from the ruleJapan's blue hour offers a unique synthesis of ancient and modern—the magical twilight when traditional temple lanterns begin to glow and neon signs reflect in urban canals. This forecast tracks optimal dusk conditions for capturing Japan's dual character.
Blue hour photography across Japan:
- Kyoto's illuminated heritage - Temple lanterns and pagodas create warm focal points against deepening blue skies, particularly atmospheric at Kiyomizu-dera
- Osaka's neon reflections - Dotonbori's canal becomes a mirror for running neon signs and illuminated billboards
- Geisha districts - Kanazawa's Higashi district and Kyoto's Gion see traditional lanterns lit along preserved streets
- Floating torii - Miyajima's Itsukushima shrine gate silhouetted against twilight skies during high tide
- Urban-traditional fusion - Cities across Japan offer compositions blending lit temples with modern skylines
The blue hour occurs year-round but gains special atmosphere during autumn illumination events and winter when snow reflects the ambient light. Arrive 30-40 minutes before sunset to set up—the optimal window when artificial lights balance with natural light lasts only 20-30 minutes. Japan's combination of meticulous lighting design and cultural reverence for twilight creates blue hour photography opportunities found nowhere else.
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72-hour requirements breakdown
What passed or failed, hour by hourAND logic: all conditions required
Meets requirement
Misses requirement
Time Asia/Tokyo | Blue Hour Any | Blue Hour Quality ≥ 65.0% | Precipitation Chance ≤ 15.0% |
|---|---|---|---|
| Fri, Mar 13 | |||
| 14:00 | ✕ | 1.6% | 29% |
| 15:00 | ✕ | 1.5% | 39% |
| 16:00 | ✕ | 2.9% | 26% |
| 17:00 | ✕ | 3.6% | 13% |
| 18:00 | ✓ | 71% | 0% |
| 19:00 | ✕ | 42% | 0% |
| 20:00 | ✕ | 11% | 0% |
| 21:00 | ✕ | 11% | 0% |
| 22:00 | ✕ | 11% | 0% |
| 23:00 | ✕ | 11% | 0% |
| Sat, Mar 14 | |||
| 24:00 | ✕ | 11% | 0% |
| 01:00 | ✕ | 11% | 0% |
| 02:00 | ✕ | 11% | 0% |
| 03:00 | ✕ | 10% | 0% |
| 04:00 | ✕ | 10% | 0% |
| 05:00 | ✓ | 70% | 0% |
| 06:00 | ✓ | 70% | 0% |
| 07:00 | ✕ | 3.5% | 0% |
| 08:00 | ✕ | 3.2% | 0% |
| 09:00 | ✕ | 3.2% | 0% |
| 10:00 | ✕ | 3.2% | 0% |
| 11:00 | ✕ | 3.4% | 0% |
| 12:00 | ✕ | 3.8% | 0% |
| 13:00 | ✕ | 3.8% | 0% |
| 14:00 | ✕ | 2.5% | 0% |
| 15:00 | ✕ | 3% | 0% |
| 16:00 | ✕ | 3.8% | 0% |
| 17:00 | ✕ | 3.8% | 0% |
| 18:00 | ✓ | 74% | 0% |
| 19:00 | ✕ | 42% | 0% |
| 20:00 | ✕ | 11% | 0% |
| 21:00 | ✕ | 11% | 0% |
| 22:00 | ✕ | 11% | 0% |
| 23:00 | ✕ | 11% | 0% |
| Sun, Mar 15 | |||
| 24:00 | ✕ | 11% | 0% |
| 01:00 | ✕ | 11% | 0% |
| 02:00 | ✕ | 11% | 0% |
| 03:00 | ✕ | 12% | 0% |
| 04:00 | ✕ | 12% | 0% |
| 05:00 | ✓ | 77% | 0% |
| 06:00 | ✓ | 77% | 0% |
| 07:00 | ✕ | 3.8% | 0% |
| 08:00 | ✕ | 4.1% | 0% |
| 09:00 | ✕ | 4.1% | 0% |
| 10:00 | ✕ | 4.1% | 0% |
| 11:00 | ✕ | 4.1% | 0% |
| 12:00 | ✕ | 4% | 0% |
| 13:00 | ✕ | 4% | 0% |
| 14:00 | ✕ | 3.5% | 0% |
| 15:00 | ✕ | 3.2% | 0% |
| 16:00 | ✕ | 2% | 0% |
| 17:00 | ✕ | 2% | 0% |
| 18:00 | ✓ | 49% | 0% |
| 19:00 | ✕ | 39% | 0% |
| 20:00 | ✕ | 11% | 0% |
| 21:00 | ✕ | 10% | 0% |
| 22:00 | ✕ | 10% | 0% |
| 23:00 | ✕ | 11% | 0% |
| Mon, Mar 16 | |||
| 24:00 | ✕ | 11% | 0% |
| 01:00 | ✕ | 11% | 0% |
| 02:00 | ✕ | 11% | 0% |
| 03:00 | ✕ | 8.7% | 0% |
| 04:00 | ✕ | 11% | 0% |
| 05:00 | ✓ | 71% | 0% |
| 06:00 | ✓ | 79% | 0% |
| 07:00 | ✕ | 4% | 0% |
| 08:00 | ✕ | 4% | 0% |
| 09:00 | ✕ | 4% | 0% |
| 10:00 | ✕ | 3.5% | 0% |
| 11:00 | ✕ | 2.8% | 0% |
| 12:00 | ✕ | 2.4% | 0% |
| 13:00 | ✕ | 2.7% | 0% |
| 14:00 | ✕ | 2.7% | 0% |
| 15:00 | ✕ | 1.6% | 0% |
| 16:00 | ✕ | 1.8% | 0% |
| 17:00 | ✕ | 1.8% | 0% |
| 18:00 | ✓ | 35% | 0% |
| 19:00 | ✕ | 21% | 0% |
| 20:00 | ✕ | 5.3% | 0% |
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).
What does Blue Hour Quality mean?
Inputs that drive the scoreThis derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.
| Time Asia/Tokyo | Blue Hour | High Clouds % | Low Clouds % | Mid-Level Clouds % | Relative Humidity % | Solar Elevation ° | Total Cloud Coverage % | Visibility m | Wind Speed m/s |
|---|---|---|---|---|---|---|---|---|---|
| Fri, Mar 13
Sunrise 06:23
Sunset 18:16 | |||||||||
| 22:00 ☾ | - | 0% | 0% | 0% | 62% | -45° | 0% | 24135m | 7.6m/s |
| 23:00 ☾ | - | 0% | 0% | 0% | 63% | -53° | 0% | 24134m | 7.8m/s |
| Sat, Mar 14
Sunrise 06:23
Sunset 18:16 | |||||||||
| 24:00 ☾ | - | 0% | 0% | 0% | 62% | -58° | 0% | 24135m | 6.5m/s |
| 01:00 ☾ | - | 0% | 1% | 0% | 64% | -57° | 1% | 24135m | 5.3m/s |
| 02:00 ☾ | - | 0% | 3% | 0% | 66% | -51° | 3% | 24134m | 5.6m/s |
| 03:00 ☾ | - | 0% | 5% | 0% | 68% | -41° | 5% | 24134m | 5.3m/s |
| 04:00 ☾ | - | 0% | 5% | 0% | 69% | -30° | 5% | 24135m | 5.3m/s |
| 05:00 ☾ | - | 0% | 5% | 0% | 70% | -18° | 5% | 24134m | 5.4m/s |
| 06:00 ☾ | - | 0% | 5% | 0% | 70% | -5.6° | 5% | 24135m | 6m/s |
| 07:00 ☾ | - | 0% | 5% | 0% | 69% | 6.9° | 5% | 24135m | 5.8m/s |
| 08:00 ☾ | - | 5% | 12% | 0% | 63% | 19° | 12% | 24134m | 5.9m/s |
| 09:00 ☾ | - | 1% | 18% | 0% | 58% | 30° | 18% | 24135m | 6.7m/s |
| 10:00 ☾ | - | 0% | 18% | 0% | 55% | 41° | 18% | 24134m | 6.6m/s |
| 11:00 ☾ | - | 2% | 7% | 0% | 51% | 49° | 7% | 24134m | 5.2m/s |
| 12:00 ☾ | - | 0% | 5% | 0% | 48% | 53° | 5% | 24134m | 4.8m/s |
| 13:00 ☾ | - | 5% | 1% | 0% | 47% | 52° | 5% | 24134m | 4.9m/s |
| 14:00 ☾ | - | 99% | 0% | 2% | 46% | 46° | 99% | 24135m | 5m/s |
| 15:00 ☾ | - | 58% | 0% | 28% | 47% | 37° | 58% | 24134m | 4.8m/s |
| 16:00 ☾ | - | 5% | 0% | 5% | 49% | 27° | 5% | 24134m | 5.1m/s |
| 17:00 ☾ | - | 1% | 0% | 5% | 55% | 15° | 5% | 24134m | 5.2m/s |
| 18:00 ☾ | - | 0% | 0% | 4% | 64% | 3° | 4% | 24135m | 5m/s |
| 19:00 ☾ | - | 0% | 0% | 4% | 72% | -9.6° | 4% | 24134m | 4.2m/s |
| 20:00 ☾ | - | 0% | 0% | 0% | 75% | -22° | 0% | 24135m | 3.1m/s |
| 21:00 ☾ | - | 0% | 0% | 0% | 77% | -34° | 0% | 24135m | 2.9m/s |
| 22:00 ☾ | - | 0% | 0% | 0% | 78% | -44° | 0% | 24135m | 2.7m/s |
| 23:00 ☾ | - | 0% | 0% | 0% | 78% | -53° | 0% | 24134m | 2.4m/s |
| Sun, Mar 15
Sunrise 06:22
Sunset 18:17 | |||||||||
| 24:00 ☾ | - | 0% | 0% | 0% | 77% | -58° | 0% | 24135m | 2.4m/s |
| 01:00 ☾ | - | 0% | 0% | 0% | 76% | -57° | 0% | 24134m | 2.1m/s |
| 02:00 ☾ | - | 0% | 0% | 0% | 75% | -50° | 0% | 24135m | 2m/s |
| 03:00 ☾ | - | 0% | 0% | 0% | 75% | -41° | 0% | 24135m | 1.9m/s |
| 04:00 ☾ | - | 0% | 0% | 0% | 74% | -30° | 0% | 24134m | 1.8m/s |
| 05:00 ☾ | - | 0% | 0% | 0% | 73% | -18° | 0% | 24134m | 2m/s |
| 06:00 ☾ | - | 0% | 0% | 0% | 71% | -5.3° | 0% | 24135m | 1.6m/s |
| 07:00 ☾ | - | 0% | 0% | 0% | 68% | 7.1° | 0% | 24135m | 1.9m/s |
| 08:00 ☾ | - | 0% | 0% | 0% | 60% | 19° | 0% | 24135m | 1.6m/s |
| 09:00 ☾ | - | 4% | 0% | 0% | 55% | 31° | 4% | 24134m | 1.9m/s |
| 10:00 ☾ | - | 0% | 0% | 0% | 50% | 41° | 0% | 24134m | 2m/s |
| 11:00 ☾ | - | 0% | 0% | 0% | 49% | 49° | 0% | 24135m | 2.2m/s |
| 12:00 ☾ | - | 0% | 4% | 3% | 50% | 53° | 4% | 24134m | 2.7m/s |
| 13:00 ☾ | - | 0% | 5% | 4% | 52% | 52° | 5% | 24134m | 3.1m/s |
| 14:00 ☾ | - | 0% | 8% | 5% | 54% | 47° | 8% | 24135m | 3.1m/s |
| 15:00 ☾ | - | 0% | 11% | 26% | 56% | 38° | 26% | 24135m | 3.1m/s |
| 16:00 ☾ | - | 1% | 88% | 5% | 56% | 27° | 88% | 24134m | 2.2m/s |
| 17:00 ☾ | - | 0% | 85% | 5% | 59% | 15° | 85% | 24135m | 1.4m/s |
| 18:00 ☾ | - | 0% | 45% | 51% | 64% | 3.1° | 52% | 24134m | 1.4m/s |
| 19:00 ☾ | - | 0% | 17% | 5% | 70% | -9.5° | 17% | 24134m | 1.9m/s |
| 20:00 ☾ | - | 0% | 5% | 5% | 73% | -22° | 5% | 24135m | 3.1m/s |
| 21:00 ☾ | - | 0% | 5% | 5% | 76% | -33° | 5% | 24135m | 3.3m/s |
| 22:00 ☾ | - | 0% | 5% | 3% | 77% | -44° | 5% | 24135m | 3m/s |
| 23:00 ☾ | - | 0% | 0% | 0% | 77% | -53° | 0% | 24135m | 2.8m/s |
| Mon, Mar 16
Sunrise 06:20
Sunset 18:17 | |||||||||
| 24:00 ☾ | - | 0% | 0% | 0% | 76% | -57° | 0% | 24135m | 2.5m/s |
| 01:00 ☾ | - | 0% | 0% | 0% | 75% | -56° | 0% | 24135m | 2.6m/s |
| 02:00 ☾ | - | 0% | 0% | 5% | 74% | -50° | 5% | 24134m | 2.4m/s |
| 03:00 ☾ | - | 42% | 0% | 6% | 73% | -41° | 42% | 24135m | 2.1m/s |
| 04:00 ☾ | - | 28% | 0% | 4% | 62% | -29° | 28% | 24135m | 2m/s |
| 05:00 ☾ | - | 14% | 0% | 2% | 50% | -17° | 14% | 24135m | 2m/s |
| 06:00 ☾ | - | 0% | 0% | 0% | 38% | -5° | 0% | 24135m | 1.9m/s |
| 07:00 ☾ | - | 0% | 0% | 0% | 37% | 7.4° | 0% | 24135m | 1.6m/s |
| 08:00 ☾ | - | 0% | 0% | 0% | 36% | 19° | 0% | 24135m | 1.3m/s |
| 09:00 ☾ | - | 0% | 0% | 0% | 35% | 31° | 0% | 24135m | 0.94m/s |
| 10:00 ☾ | - | 33% | 0% | 1% | 46% | 41° | 33% | 24135m | 1.3m/s |
| 11:00 ☾ | - | 67% | 0% | 2% | 56% | 49° | 67% | 24135m | 1.7m/s |
| 12:00 ☾ | - | 100% | 0% | 3% | 66% | 54° | 100% | 24135m | 2.1m/s |
| 13:00 ☾ | - | 68% | 0% | 36% | 69% | 53° | 100% | 24135m | 1.8m/s |
| 14:00 ☾ | - | 37% | 0% | 68% | 72% | 47° | 100% | 24135m | 1.6m/s |
| 15:00 ☾ | - | 5% | 0% | 100% | 76% | 38° | 100% | 24135m | 1.4m/s |
| 16:00 ☾ | - | 3% | 0% | 100% | 75% | 27° | 100% | 24135m | 1.4m/s |
| 17:00 ☾ | - | 2% | 0% | 100% | 74% | 15° | 100% | 24135m | 1.4m/s |
| 18:00 ☾ | - | 0% | 0% | 100% | 73% | 3.3° | 100% | 24135m | 1.5m/s |
| 19:00 ☾ | - | 0% | 0% | 98% | 73% | -9.3° | 98% | 24135m | 1.4m/s |
| 20:00 ☾ | - | 0% | 0% | 96% | 72% | -22° | 96% | 24135m | 1.3m/s |
| 21:00 ☾ | - | 0% | 0% | 94% | 72% | -33° | 94% | 24135m | 1.2m/s |
How to read: these inputs help produce the derived score; they are not requirements by themselves.
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