Rule
Blue Hour
Motovun - Blue Hour - Croatian Coast
Motovun, Istria, Croatia
When city lights balance with the deep blue twilight sky
Currently
Real-time conditionsCloud Cover5%
Moon Altitude-37.4°
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Zagreb
Next opportunity
Good Blue Hour (clear) at Sunrise
Motovun
Wed, Jun 10 · 04:38–04:53 · 1h window
Medium confidence
53%
🌉Blue Hour Quality74.4%
Cloud Cover: 5%
Moon Illumination: 28%
Moon Altitude: 21.8°
Good Blue Hour (clear) at Sunrise
Motovun
Sat, Jun 13 · 04:38–04:52
🌉Blue Hour Quality:82.1%
Medium
Good Blue Hour (clear) at Sunrise
Motovun
Sun, Jun 14 · 04:37–04:52
🌉Blue Hour Quality:81.9%
Medium
What this forecast looks for
Plain-language explanation from the ruleCroatia's Adriatic coast transforms during blue hour as medieval walled cities illuminate their honey-colored stone fortifications against the deepening twilight sky. The warm glow of street lamps and restaurant lighting creates perfect color contrast with the cool blue Adriatic atmosphere.
Dubrovnik's Old Town becomes a glowing jewel when viewed from Mount Srđ or the city walls themselves. The limestone fortifications, illuminated from within, create a golden circuit around the darkening terracotta rooftops. Split's Diocletian's Palace—a 1,700-year-old Roman structure forming the city's core—offers countless blue-hour compositions as modern cafes illuminate ancient archways.
What makes Croatian blue hour exceptional:
- Illuminated fortifications - Medieval walls and towers glowing against Adriatic twilight
- Harbor reflections - Rovinj, Hvar, and Korčula harbors mirror warm lights on calm water
- Roman integration - Ancient architecture (Split's palace, Pula's arena) illuminated for night use
- Coastal town cascades - Hillside villages create layered light displays descending to the sea
Best blue hour occurs during stable high-pressure systems when the Adriatic lies calm. Summer (June-August) offers blue hours around 8:30-9:30 PM with warm ambient temperatures. Spring and autumn provide earlier timing (7-8 PM) with fewer tourists. Arrive 45 minutes before sunset to scout compositions—the transition from golden hour to blue hour happens quickly in these latitudes.
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72-hour requirements breakdown
What passed or failed, hour by hourAND logic: all conditions required
Meets requirement
Misses requirement
Time Europe/Zagreb | Blue Hour Any | Blue Hour Quality ≥ 65.0% | Precipitation Chance ≤ 15.0% |
|---|---|---|---|
| Mon, Jun 8 | |||
| 06:00 | ✕ | 27% | 0% |
| 07:00 | ✕ | 27% | 0% |
| 08:00 | ✕ | 27% | 0% |
| 09:00 | ✕ | 28% | 0% |
| 10:00 | ✕ | 28% | 0% |
| 11:00 | ✕ | 31% | 0% |
| 12:00 | ✕ | 31% | 19% |
| 13:00 | ✕ | 31% | 37% |
| 14:00 | ✕ | 28% | 56% |
| 15:00 | ✕ | 31% | 26% |
| 16:00 | ✕ | 28% | 13% |
| 17:00 | ✕ | 31% | 0% |
| 18:00 | ✕ | 33% | 0% |
| 19:00 | ✕ | 29% | 0% |
| 20:00 | ✕ | 31% | 0% |
| 21:00 | ✓ | 60% | 0% |
| 22:00 | ✕ | 43% | 0% |
| 23:00 | ✕ | 29% | 0% |
| Tue, Jun 9 | |||
| 24:00 | ✕ | 29% | 0% |
| 01:00 | ✕ | 28% | 0% |
| 02:00 | ✕ | 28% | 0% |
| 03:00 | ✕ | 28% | 0.3% |
| 04:00 | ✓ | 58% | 0.61% |
| 05:00 | ✕ | 58% | 0.91% |
| 06:00 | ✕ | 26% | 17% |
| 07:00 | ✕ | 24% | 34% |
| 08:00 | ✕ | 26% | 50% |
| 09:00 | ✕ | 26% | 46% |
| 10:00 | ✕ | 28% | 42% |
| 11:00 | ✕ | 21% | 38% |
| 12:00 | ✕ | 29% | 46% |
| 13:00 | ✕ | 25% | 54% |
| 14:00 | ✕ | 28% | 62% |
| 15:00 | ✕ | 28% | 47% |
| 16:00 | ✕ | 32% | 33% |
| 17:00 | ✕ | 33% | 18% |
| 18:00 | ✕ | 31% | 25% |
| 19:00 | ✕ | 29% | 32% |
| 20:00 | ✕ | 24% | 39% |
| 21:00 | ✓ | 53% | 26% |
| 22:00 | ✕ | 41% | 13% |
| 23:00 | ✕ | 27% | 0% |
| Wed, Jun 10 | |||
| 24:00 | ✕ | 27% | 0% |
| 01:00 | ✕ | 29% | 0% |
| 02:00 | ✕ | 28% | 0% |
| 03:00 | ✕ | 36% | 3.9% |
| 04:00 | ✓ | 74% | 7.7% |
| 05:00 | ✕ | 68% | 12% |
| 06:00 | ✕ | 23% | 31% |
| 07:00 | ✕ | 29% | 50% |
| 08:00 | ✕ | 29% | 69% |
| 09:00 | ✕ | 28% | 70% |
| 10:00 | ✕ | 21% | 72% |
| 11:00 | ✕ | 22% | 74% |
| 12:00 | ✕ | 29% | 80% |
| 13:00 | ✕ | 30% | 87% |
| 14:00 | ✕ | 28% | 93% |
| 15:00 | ✕ | 28% | 86% |
| 16:00 | ✕ | 28% | 80% |
| 17:00 | ✕ | 28% | 73% |
| 18:00 | ✕ | 32% | 76% |
| 19:00 | ✕ | 26% | 79% |
| 20:00 | ✕ | 25% | 82% |
| 21:00 | ✓ | 68% | 77% |
| 22:00 | ✕ | 52% | 71% |
| 23:00 | ✕ | 31% | 66% |
| Thu, Jun 11 | |||
| 24:00 | ✕ | 30% | 71% |
| 01:00 | ✕ | 24% | 76% |
| 02:00 | ✕ | 24% | 80% |
| 03:00 | ✕ | 5.1% | 81% |
| 04:00 | ✓ | 34% | 81% |
| 05:00 | ✕ | 25% | 82% |
| 06:00 | ✕ | 1.5% | 80% |
| 07:00 | ✕ | 1.7% | 79% |
| 08:00 | ✕ | 1.8% | 77% |
| 09:00 | ✕ | 1.9% | 58% |
| 10:00 | ✕ | 2.3% | 38% |
| 11:00 | ✕ | 2.4% | 19% |
| 12:00 | ✕ | 2.4% | 19% |
| 13:00 | ✕ | 2.5% | 19% |
| 14:00 | ✕ | 2.4% | 20% |
| 15:00 | ✕ | 2.4% | 46% |
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 Europe/Zagreb | Blue Hour | High Clouds % | Low Clouds % | Mid-Level Clouds % | Relative Humidity % | Solar Elevation ° | Total Cloud Coverage % | Visibility m | Wind Speed m/s |
|---|---|---|---|---|---|---|---|---|---|
| Mon, Jun 8
Sunrise 05:17
Sunset 20:50 | |||||||||
| 17:00 | - | 5% | 0% | 0% | 48% | 38° | 5% | 24134m | 2.1m/s |
| 18:00 | - | 11% | 0% | 0% | 52% | 27° | 11% | 24135m | 1.9m/s |
| 19:00 | - | 10% | 0% | 0% | 65% | 17° | 10% | 24135m | 1.4m/s |
| 20:00 | - | 5% | 0% | 0% | 73% | 7° | 5% | 24134m | 0.39m/s |
| 21:00 ☾ | - | 62% | 0% | 0% | 75% | -2° | 62% | 24134m | 1.1m/s |
| 22:00 ☾ | - | 89% | 0% | 4% | 76% | -10° | 89% | 24134m | 1.5m/s |
| 23:00 ☾ | - | 76% | 0% | 7% | 77% | -16° | 76% | 24135m | 1.6m/s |
| Tue, Jun 9
Sunrise 05:17
Sunset 20:50 | |||||||||
| 24:00 ☾ | - | 94% | 0% | 68% | 79% | -20° | 94% | 24134m | 1.7m/s |
| 01:00 ☾ | - | 75% | 0% | 94% | 78% | -22° | 94% | 24135m | 1.8m/s |
| 02:00 ☾ | - | 100% | 0% | 45% | 79% | -21° | 100% | 24135m | 1.6m/s |
| 03:00 ☾ | - | 100% | 0% | 88% | 79% | -17° | 100% | 24135m | 1.6m/s |
| 04:00 ☾ | - | 97% | 0% | 99% | 76% | -11° | 100% | 24135m | 1.6m/s |
| 05:00 ☾ | - | 98% | 0% | 100% | 75% | -3.1° | 100% | 24135m | 1.5m/s |
| 06:00 | - | 100% | 4% | 86% | 80% | 5.8° | 100% | 17651m | 1.5m/s |
| 07:00 | - | 100% | 2% | 5% | 80% | 15° | 100% | 24135m | 1.2m/s |
| 08:00 | - | 100% | 0% | 18% | 71% | 26° | 100% | 24135m | 0.73m/s |
| 09:00 | - | 100% | 5% | 100% | 62% | 36° | 100% | 24135m | 0.75m/s |
| 10:00 | - | 99% | 0% | 100% | 62% | 47° | 100% | 24134m | 0.54m/s |
| 11:00 | - | 6% | 0% | 89% | 56% | 56° | 89% | 24135m | 1.4m/s |
| 12:00 | - | 20% | 24% | 77% | 52% | 64° | 77% | 24135m | 2m/s |
| 13:00 | - | 5% | 5% | 5% | 49% | 68° | 5% | 24134m | 2.4m/s |
| 14:00 | - | 0% | 5% | 5% | 47% | 65° | 5% | 24134m | 2.9m/s |
| 15:00 | - | 2% | 1% | 1% | 49% | 58° | 2% | 24134m | 3.2m/s |
| 16:00 | - | 5% | 0% | 0% | 49% | 48° | 5% | 24135m | 2.9m/s |
| 17:00 | - | 23% | 0% | 0% | 50% | 38° | 23% | 24134m | 2.5m/s |
| 18:00 | - | 5% | 0% | 1% | 54% | 27° | 5% | 24135m | 2.3m/s |
| 19:00 | - | 5% | 0% | 0% | 65% | 17° | 5% | 24135m | 2m/s |
| 20:00 | - | 67% | 0% | 4% | 77% | 7.1° | 67% | 24134m | 2m/s |
| 21:00 ☾ | - | 100% | 0% | 0% | 83% | -1.9° | 100% | 24135m | 2.2m/s |
| 22:00 ☾ | - | 100% | 0% | 0% | 81% | -9.9° | 100% | 24134m | 2.3m/s |
| 23:00 ☾ | - | 100% | 0% | 0% | 80% | -16° | 100% | 24134m | 2.2m/s |
| Wed, Jun 10
Sunrise 05:17
Sunset 20:51 | |||||||||
| 24:00 ☾ | - | 95% | 0% | 0% | 79% | -20° | 95% | 24134m | 2.1m/s |
| 01:00 ☾ | - | 34% | 0% | 0% | 79% | -22° | 34% | 24134m | 2.3m/s |
| 02:00 ☾ | - | 45% | 0% | 0% | 78% | -20° | 45% | 24135m | 2.5m/s |
| 03:00 ☾ | - | 5% | 0% | 0% | 77% | -17° | 5% | 24134m | 2.5m/s |
| 04:00 ☾ | - | 5% | 1% | 0% | 75% | -11° | 5% | 24134m | 2.6m/s |
| 05:00 ☾ | - | 5% | 17% | 3% | 74% | -3.1° | 17% | 24134m | 2.7m/s |
| 06:00 | - | 21% | 4% | 0% | 74% | 5.8° | 21% | 24134m | 2.8m/s |
| 07:00 | - | 5% | 0% | 0% | 72% | 16° | 5% | 24134m | 2.9m/s |
| 08:00 | - | 5% | 0% | 0% | 64% | 26° | 5% | 24134m | 3.3m/s |
| 09:00 | - | 5% | 2% | 0% | 57% | 36° | 6% | 24134m | 4.3m/s |
| 10:00 | - | 5% | 51% | 0% | 54% | 47° | 51% | 24135m | 4.7m/s |
| 11:00 | - | 4% | 31% | 5% | 51% | 56° | 31% | 24134m | 4.7m/s |
| 12:00 | - | 5% | 12% | 1% | 46% | 64° | 13% | 24134m | 4.7m/s |
| 13:00 | - | 74% | 0% | 5% | 45% | 68° | 74% | 24135m | 4.5m/s |
| 14:00 | - | 1% | 0% | 1% | 46% | 65° | 2% | 24135m | 5m/s |
| 15:00 | - | 0% | 0% | 3% | 46% | 58° | 3% | 24134m | 4.8m/s |
| 16:00 | - | 3% | 0% | 5% | 44% | 48° | 5% | 24134m | 4.2m/s |
| 17:00 | - | 1% | 0% | 2% | 46% | 38° | 2% | 24135m | 3.7m/s |
| 18:00 | - | 8% | 0% | 2% | 52% | 27° | 8% | 24134m | 3.6m/s |
| 19:00 | - | 4% | 0% | 0% | 63% | 17° | 4% | 24135m | 3.3m/s |
| 20:00 | - | 5% | 0% | 0% | 76% | 7.2° | 5% | 22961m | 2.3m/s |
| 21:00 ☾ | - | 10% | 0% | 0% | 84% | -1.8° | 10% | 21788m | 2m/s |
| 22:00 ☾ | - | 14% | 0% | 0% | 85% | -9.8° | 14% | 24134m | 2.5m/s |
| 23:00 ☾ | - | 18% | 3% | 4% | 85% | -16° | 18% | 19748m | 2.2m/s |
| Thu, Jun 11
Sunrise 05:16
Sunset 20:51 | |||||||||
| 24:00 ☾ | - | 18% | 0% | 12% | 92% | -20° | 26% | 21403m | 2.4m/s |
| 01:00 ☾ | - | 96% | 0% | 25% | 93% | -22° | 96% | 21188m | 2.6m/s |
| 02:00 ☾ | - | 100% | 10% | 2% | 93% | -20° | 100% | 24134m | 2.7m/s |
| 03:00 ☾ | - | 99% | 40% | 35% | 89% | -17° | 100% | 23928m | 3m/s |
| 04:00 ☾ | - | 99% | 70% | 67% | 86% | -11° | 100% | 23722m | 3.3m/s |
| 05:00 ☾ | - | 98% | 100% | 100% | 82% | -3° | 100% | 23517m | 3.6m/s |
| 06:00 | - | 67% | 99% | 68% | 73% | 5.9° | 99% | 23723m | 4.1m/s |
| 07:00 | - | 36% | 99% | 36% | 65% | 16° | 99% | 23929m | 4.5m/s |
| 08:00 | - | 5% | 98% | 4% | 56% | 26° | 98% | 24135m | 5m/s |
| 09:00 | - | 32% | 74% | 3% | 54% | 36° | 95% | 24135m | 4.5m/s |
| 10:00 | - | 60% | 50% | 1% | 53% | 47° | 92% | 24135m | 3.9m/s |
| 11:00 | - | 87% | 25% | 0% | 51% | 56° | 89% | 24135m | 3.4m/s |
| 12:00 | - | 92% | 17% | 0% | 58% | 64° | 93% | 24135m | 2.8m/s |
| 13:00 | - | 96% | 8% | 0% | 64% | 68° | 96% | 24135m | 2.3m/s |
| 14:00 | - | 100% | 0% | 0% | 71% | 65° | 100% | 24135m | 1.8m/s |
| 15:00 | - | 100% | 0% | 11% | 73% | 58° | 100% | 24135m | 2m/s |
| 16:00 | - | 100% | 0% | 21% | 75% | 48° | 100% | 24135m | 2.2m/s |
How to read: these inputs help produce the derived score; they are not requirements by themselves.
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