Tainan
Taiwan, Taiwan
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
6:16 AM
Golden: 44min
Sunset
6:04 PM
Golden: 44min
True Darkness
7:18 PM
Stars visible
Add to Calendar
Get reminders for golden hour and dark sky windows
Morning Golden Hour
6:02 AM - 6:46 AM
Evening Golden Hour
5:34 PM - 6:17 PM
Dark Sky Window
7:18 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
9
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
Tainan 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
86%
Overcast - poor conditions for photography
Morning
99%
Evening
57%
Overnight
100%
Precipitation
65%
Likely
Wind
17
km/h avg
Gusts up to 33 km/h
🟡 Breezy - May affect tracking
Humidity
84%
High - May cause haze
Visibility
23.2
km
Excellent clarity
Temperature
23°C
High
/
18°C
Low
Seeing
4
/ 5
Excellent - Atmospheric stability
Transparency
1
/ 5
Hazy - Air clarity
Conditions Summary
🌫️ Hazy conditions - Bright objects only, consider light pollution filters
Nearby Dark Sky Locations
Within 100km
💡 These locations have significantly darker skies (9 → 3). Expect 64x more visible stars.
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