Home/Calculators/Vietnam on Aletheia

Cần Thơ

Can Tho City, Vietnam
Today
Feb 26, 2026
Forecast For
Feb 25, 2026
Poor

Fire Sunset Tonight

32% cloud cover during the sunset window — ideal texture for vivid colour. Get your tripod.

Tonight's Forecast
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

Blue HourGolden HourGolden HourBlue Hour
4 AM12 PM11 PM
Sunrise
6:12 AM
Golden: 41min
Sunset
6:06 PM
Golden: 41min
True Darkness
7:17 PM
Stars visible

Add to Calendar

Get reminders for golden hour and dark sky windows

Morning Golden Hour
5:59 AM - 6:40 AM
Evening Golden Hour
5:38 PM - 6:19 PM
Dark Sky Window
7:17 PM onwards
📱 How to use:
  1. 1. Download the .ics file above
  2. 2. Open it with your calendar app (iPhone Calendar, Google Calendar, Outlook)
  3. 3. Events will be added automatically
  4. 4. You'll get 30-minute reminders before each window
30-min reminders
All calendar apps
Timezone aware
No sign-up needed

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
Cần Thơ 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
78%
Heavy clouds - limited visibility and light
Morning
100%
Evening
32%
Overnight
85%
Precipitation
3%
Very unlikely
Wind
11
km/h avg
Gusts up to 25 km/h
🟡 Breezy - May affect tracking
Humidity
75%
High - May cause haze
Visibility
24.1
km
Excellent clarity
Temperature
32°C
High
/
24°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

Nearby Dark Sky Locations

Within 100km

Ấp Một

Bortle
6
3
Significant improvement
35.1km·~26min

Óc Eo

Bortle
6
2
Dramatic improvement
73km·~55min

Xóm Cái Nước

Bortle
6
3
Significant improvement
79.9km·~1h
💡 These locations have significantly darker skies (6 → 3). Expect 8x more visible stars.

Need to calculate camera settings?

Use our free calculators for shutter speed, hyperfocal distance, and field of view

Open Calculators