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  1. Home
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  3. Astronomy Time
Instant Results15 Tools

Astronomy Time Calculators

Sunrise, sunset and moon calculators.

Updated regularlyFree to use

Popular Calculators

Most used tools

Sunrise Time Calculator

Find sunrise time for any location and date.

Sunset Time Calculator

Find sunset time for any location and date.

Golden Hour Calculator

Find golden hour times for photography.

Moon Phase Calculator

Find the moon phase for any date.

All Astronomy Time Calculators

15 tools available

Sunrise Time Calculator

Find sunrise time for any location and date.

Sunset Time Calculator

Find sunset time for any location and date.

Day Length Calculator

Calculate daylight hours for any location.

Twilight Calculator

Find twilight times for any location.

Golden Hour Calculator

Find golden hour times for photography.

Blue Hour Calculator

Find blue hour times for photography.

Moon Phase Calculator

Find the moon phase for any date.

Moonrise/Moonset Calculator

Find moonrise and moonset times.

Solar Noon Calculator

Find solar noon for any location and date.

Equation of Time Calculator

Calculate the equation of time for any date.

Sidereal Time Calculator

Calculate sidereal time for astronomy.

Astronomical Twilight Calculator

Find astronomical twilight times for stargazing.

Night Length Calculator

Calculate total night length for any location.

Solar Altitude Calculator

Calculate the Sun's altitude angle.

Day/Night Ratio Calculator

Calculate the day-to-night ratio.

About Astronomy Time Calculators

Our astronomy time calculators provide accurate, instant results for date and time calculations. Whether you need to find the difference between dates, convert time zones, or plan events, these tools have you covered.

Why Use Our Astronomy Time Calculators?

  • Accuracy: Based on proven algorithms and calendar standards
  • Speed: Results calculated instantly in your browser
  • Privacy: No data is sent to any server
  • Free: All tools are completely free to use
  • Mobile Friendly: Works on all devices

Search Astronomy Time

Related Topics

Age

20 tools

Date

25 tools

Time

25 tools

Business Days

15 tools

Time Zones

18 tools

Countdown & Timer

15 tools

Quick Tips

Use 24-hour format (HH:MM) for time inputs
Leap years add an extra day to February
Time zone offsets change with daylight saving
ISO week numbers start on Monday