Chattogram
Chittagong, Bangladesh
Today
Feb 25, 2026
0
/ 100
First Light Index
Fair
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
6:17 AM
Golden: 44min
Sunset
5:54 PM
Golden: 44min
True Darkness
7:09 PM
Stars visible
Add to Calendar
Get reminders for golden hour and dark sky windows
Morning Golden Hour
6:03 AM - 6:47 AM
Evening Golden Hour
5:24 PM - 6:08 PM
Dark Sky Window
7:09 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
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Moon Phase
56%
Phase
First Quarter
Illumination
56%
⚠️ High Moon Interference
Bright moonlight will wash out faint deep sky objects
Light Pollution
6
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
Chattogram Classification
Moderate for Astronomy
Bortle Class 6: Bright Suburban Sky
Bright suburban sky
Visible Tonight
No Milky Way visible, only brightest Messier objects visible
🌙 Moderate Light Pollution
Good for bright objects. Milky Way visible but washed out. UHC filters recommended for nebulae.
💡 Tip: Check "Nearby Dark Sky" section below to find better observing sites within driving distance
Weather Conditions
Cloud Cover
22%
Ideal scattered clouds for vibrant sunset colors
Morning
53%
Evening
10%
Overnight
27%
Precipitation
0%
Very unlikely
Wind
14
km/h avg
Gusts up to 22 km/h
🟡 Breezy - May affect tracking
Humidity
68%
Moderate
Visibility
24.1
km
Excellent clarity
Temperature
27°C
High
/
23°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
Bibir Hat
Bortle
6
3
Significant improvement
38.4km·~29min
Sandwīp
Bortle
6
2
Dramatic improvement
43.4km·~33min
Rāngāmāti
Bortle
6
3
Significant improvement
50.1km·~38min
💡 These locations have significantly darker skies (6 → 3). Expect 8x more visible stars.
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