Semarang
Central Java, Indonesia
Today
Mar 5, 2026
0
/ 100
First Light Index
Poor
Our proprietary metric combining sky clarity, moon interference, and light pollution for optimal stargazing conditions.
0
/ 100
Shutter Score
Poor
Photography-specific metric factoring cloud quality and golden hour potential for landscape shooters.
Light Windows Today
4 AM12 PM11 PM
Sunrise
5:43 AM
Golden: 40min
Sunset
5:56 PM
Golden: 41min
True Darkness
7:05 PM
Stars visible
Add to Calendar
Get reminders for golden hour and dark sky windows
Morning Golden Hour
5:30 AM - 6:11 AM
Evening Golden Hour
5:28 PM - 6:08 PM
Dark Sky Window
7:05 PM onwards
📱 How to use:
- 1. Download the .ics file above
- 2. Open it with your calendar app (iPhone Calendar, Google Calendar, Outlook)
- 3. Events will be added automatically
- 4. You'll get 30-minute reminders before each window
30-min reminders
All calendar apps
Timezone aware
No sign-up needed
Moon Phase
97%
Phase
New Moon
Illumination
97%
Light Pollution
7
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
Semarang Classification
Moderate for Astronomy
Bortle Class 7: Suburban/Urban Transition
Suburban/urban transition
Visible Tonight
Entire sky grayish, strong light sources visible, M31 difficult
💡 Urban Sky Recommendation
Focus on lunar and planetary observation. Consider driving to a darker location for deep sky work.
💡 Tip: Check "Nearby Dark Sky" section below to find better observing sites within driving distance
Weather Conditions
Cloud Cover
100%
Overcast - poor conditions for photography
Morning
100%
Evening
100%
Overnight
100%
Precipitation
88%
Very likely
Wind
19
km/h avg
Gusts up to 32 km/h
🟡 Breezy - May affect tracking
Humidity
85%
High - May cause haze
Visibility
22.7
km
Excellent clarity
Temperature
30°C
High
/
26°C
Low
Seeing
2
/ 5
Fair - Atmospheric stability
Transparency
1
/ 5
Hazy - Air clarity
Conditions Summary
🌪️ Poor seeing - Stick to wide-field imaging or wait for better atmospheric stability
Nearby Dark Sky Locations
Within 100km
Jatiroto
Bortle
7
3
Dramatic improvement
124.9km·~1h 34min
Sangkapura
Bortle
7
3
Dramatic improvement
277.5km·~3h 28min
💡 These locations have significantly darker skies (7 → 3). Expect 16x more visible stars.
Need to calculate camera settings?
Use our free calculators for shutter speed, hyperfocal distance, and field of view
Open Calculators