London
England, United Kingdom
Today
May 8, 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
Excellent
Photography-specific metric factoring cloud quality and golden hour potential for landscape shooters.
Light Windows Today
4 AM12 PM11 PM
Sunrise
5:19 AM
Golden: 1h 12min
Sunset
8:35 PM
Golden: 1h 13min
True Darkness
11:19 PM
Stars visible
Add to Calendar
Get reminders for golden hour and dark sky windows
Morning Golden Hour
4:56 AM - 6:08 AM
Evening Golden Hour
7:46 PM - 8:59 PM
Dark Sky Window
11:19 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
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No sign-up needed
Moon Phase
68%
Phase
First Quarter
Illumination
68%
Light Pollution
9
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
London 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
77%
Evening
14%
Overnight
46%
Precipitation
14%
Very unlikely
Wind
12
km/h avg
Gusts up to 26 km/h
🟡 Breezy - May affect tracking
Humidity
65%
Moderate
Visibility
14.1
km
Excellent clarity
Temperature
18°C
High
/
10°C
Low
Seeing
4
/ 5
Excellent - Atmospheric stability
Transparency
2
/ 5
Moderate - Air clarity
Conditions Summary
🌫️ Hazy conditions - Bright objects only, consider light pollution filters
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