Sunrise Sunset Calculator

Category: Physics
- September 01, 2025
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Calculate the sunrise and sunset times for any location around the world. Simply enter your location details or use your current position.

Location Settings

Date Settings

Display Options

About Sunrise and Sunset

Sunrise and sunset times vary depending on location, date, and various astronomical factors. The exact times are calculated based on the position of the sun relative to the horizon.

Factors Affecting Sunrise and Sunset Times
  • Latitude: The closer to the poles, the more extreme the variations in day length throughout the year.
  • Time of Year: The seasons affect day length, with longer days in summer and shorter in winter (reversed in the Southern Hemisphere).
  • Altitude: Higher elevations can see the sun earlier at sunrise and later at sunset.
  • Atmospheric Refraction: The atmosphere bends light, making the sun visible before it physically rises above the horizon.
Special Cases
  • Polar Day (Midnight Sun): Above the Arctic Circle and below the Antarctic Circle, the sun may not set for days or weeks during summer.
  • Polar Night: Conversely, the sun may not rise for extended periods during winter in these regions.
  • Equinox: Around 21 March and 22 September, day and night are approximately equal worldwide.
  • Solstice: Around 21 June (summer in Northern Hemisphere) and 21 December (winter in Northern Hemisphere), day length reaches its maximum or minimum.

Understanding the Sunrise Sunset Calculator

The Sunrise Sunset Calculator is a practical tool for anyone curious about the timing of sunrise and sunset at a specific location. You can easily find out when the sun will rise and set by entering details about your location or selecting your current position. This calculator takes into account various factors like latitude, longitude, and the date to provide accurate results.

How to Set Your Location

Setting your location is straightforward with this calculator. You can choose to enter a city name, use geographical coordinates, or simply rely on your current location. This flexibility makes it easy for users from all backgrounds to access the tool and get the information they need. Here are your options for location input:

  • City or Location: Enter a city name like "London" or "New York."
  • Coordinates: Input specific latitude and longitude values for precise results.
  • Current Location: Use your present geographical position for instant information.

Choosing the Right Date

Selecting the date is a crucial step when using the calculator. The times for sunrise and sunset vary throughout the year, depending on the specific day. By picking a date, you ensure that the results reflect the exact timings for that day. Additionally, you can account for Daylight Saving Time to get even more accurate results.

Display Options Tailored for You

The calculator offers various display options that let you customise how you see the results. You can choose between a 24-hour format or a 12-hour format, based on your preference. Also, you can opt to see additional twilight times, which can be helpful for those interested in different phases of daylight.

What Twilight Means

Twilight is an interesting period that occurs before sunrise and after sunset. Understanding the different types of twilight can enhance your experience. Here’s a quick breakdown of the three main types:

  • Civil Twilight: This happens when the sun is just below the horizon, providing enough light for outdoor activities.
  • Nautical Twilight: Occurs when the sun is further below the horizon, useful for sailors to see the horizon at sea.
  • Astronomical Twilight: The sky becomes dark enough for astronomers to observe celestial bodies.

Benefits of Using the Calculator

This calculator offers several benefits, making it useful for a wide range of users, from photographers to outdoor enthusiasts. You get precise timings for sunrise and sunset, which helps in planning activities such as hiking, photography, or simply enjoying a day outdoors. With accurate data, you can make the most of daylight.

Understanding the Factors Affecting Sunrise and Sunset

Many factors influence sunrise and sunset times. Here are some key points to consider:

  • Latitude: Locations closer to the poles experience more significant variations in day length.
  • Time of Year: Seasons greatly affect how long the days are, influencing sunrise and sunset times.
  • Altitude: Higher places often see the sun earlier or later compared to lower areas.
  • Atmospheric Effects: Atmospheric refraction can make the sun visible slightly before it officially rises.

Conclusion: Plan Your Day Wisely

With the Sunrise Sunset Calculator, you have a handy tool at your disposal to help you plan your day based on sunlight hours. Whether you’re a morning person wanting to catch the sunrise or someone who loves to enjoy sunsets, this calculator provides valuable information to enhance your outdoor experiences. Understanding when the sun appears and disappears can truly make a difference in how you enjoy the great outdoors.