Ciudad Guayana
Bolívar, Venezuela
Today
Mar 25, 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
Good
Photography-specific metric factoring cloud quality and golden hour potential for landscape shooters.
Light Windows Today
4 AM12 PM11 PM
Sunrise
6:12 AM
Golden: 40min
Sunset
6:20 PM
Golden: 40min
True Darkness
7:30 PM
Stars visible
Add to Calendar
Get reminders for golden hour and dark sky windows
Morning Golden Hour
5:59 AM - 6:39 AM
Evening Golden Hour
5:53 PM - 6:33 PM
Dark Sky Window
7:30 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
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Moon Phase
41%
Phase
First Quarter
Illumination
41%
⚡ Moderate Moon Interference
Moon will reduce visibility of dimmer objects
Light Pollution
9
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
Ciudad Guayana Classification
Poor for Astronomy
Bortle Class 9: Inner City Sky
Inner city sky
Visible Tonight
Entire sky brightly lit, only Moon, planets, and brightest stars visible
💡 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
67%
Heavy clouds - limited visibility and light
Morning
95%
Evening
35%
Overnight
71%
Precipitation
8%
Very unlikely
Wind
24
km/h avg
Gusts up to 41 km/h
🔴 Windy - Challenging conditions
Humidity
68%
Moderate
Visibility
24.1
km
Excellent clarity
Temperature
33°C
High
/
25°C
Low
Seeing
4
/ 5
Excellent - Atmospheric stability
Transparency
3
/ 5
Clear - Air clarity
Conditions Summary
👍 Good conditions for most observations
Nearby Dark Sky Locations
Within 100km
💡 These locations have significantly darker skies (9 → 2). Expect 128x more visible stars.
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