Sunset, sunrise & twilight guides

Plain-English explainers on golden hour, blue hour, twilight and the science of sunset colours.

• 🌇 What is golden hour?Golden hour is the warm, soft light just after sunrise and before sunset. Learn what it is, when it happens, how long it lasts, and how to use it.
• 🌆 What is blue hour?Discover what blue hour is, when it happens, how it differs from golden hour, and expert tips for photographing the soft blue twilight. Check exact blue.
• 🌌 Twilight explained: civil, nautical & astronomicalLearn the three phases of twilight—civil, nautical, astronomical—and what they mean for photographers, stargazers, and sunset lovers.
• 🌅 Why are sunsets red and orange?Discover the science behind red and orange sunsets, from Rayleigh scattering to air quality. Learn when and where to see the most vivid colors.
• 📸 The best time to photograph a sunsetDiscover the best time to photograph a sunset, from golden hour to blue hour. Learn exact timing, camera settings, and composition tips for stunning shots.
• ☀️ What is solar noon?Solar noon is when the sun reaches its highest point. Learn why it rarely matches 12:00 PM and how to find your exact solar noon.
• 📈 Why days get longer and shorter through the yearEarth's axial tilt drives seasonal day-length changes. Learn how solstices, equinoxes, and latitude affect daylight where you live.
• 🌞 The summer solstice explainedWhat causes the summer solstice, when it happens, and how it affects sunset times. Discover the science and beauty of the year's longest day.
• ❄️ The winter solstice explainedDiscover what the winter solstice is, why it's the shortest day of the year, and how it affects sunset times and daylight. Find exact times on sunset.now.
• ⚖️ The equinox explainedDiscover why day and night are nearly equal during the equinox, how sunset times shift fastest, and what makes spring and fall equinoxes unique.
• 🧮 How sunset times are calculatedLearn how sunset times are calculated using latitude, longitude, date, and atmospheric refraction. Discover the science and tools behind accurate sunset.
• ⏳ What is day length?Day length is the time between sunrise and sunset. Learn how it's measured, why it changes by season and latitude, and find exact times for your city.
• 🌄 How to photograph a sunriseMaster sunrise photography with tips on timing, camera settings, composition, and using golden and blue hour light. Plan your shoot with sunset.now.
• 🎨 Golden hour vs blue hourLearn the difference between golden hour and blue hour, when they occur, and how to capture both in one session. Practical tips for photographers.
• 🥶 Why sunsets look better in winterDiscover why winter sunsets are more vivid. Cleaner air, low sun angle, and dynamic clouds create richer colors. Find your sunset time on sunset.now.
• 💚 What causes the green flash at sunset?Learn what causes the green flash at sunset—a rare burst of green light—and get tips on where and how to see this optical phenomenon.
• 🌍 How latitude affects sunset timesLatitude is the biggest factor in sunset behavior. Learn how tropics, mid-latitudes, and poles shape your daylight and golden hour.
• 🌃 The midnight sun explainedDiscover the science behind the midnight sun, where and when to see it, and its connection to polar night and golden hour. Includes FAQs.
• 🌑 Polar night explainedPolar night is when the sun stays below the horizon for over 24 hours. Discover why it happens, the types of twilight, and where to experience it.
• 🏙️ What is civil twilight?Civil twilight is the brightest twilight phase, when the Sun is 0–6° below the horizon. Learn when it happens, how bright it is, and why it matters for.
• ⚓ What is nautical twilight?Learn what nautical twilight is, when it occurs, how it's defined by the sun's position, and why sailors, photographers, and skywatchers care about this.
• 🔭 What is astronomical twilight?Learn what astronomical twilight is, when it happens, and why it matters for stargazing. Find out when true night begins and how to check times for your.
• 🇺🇸 Best cities to watch the sunset in the USADiscover the best US cities for sunset views, from coastal classics to desert canyons. Plan your visit with golden hour and twilight tips.
• 🔎 How to find the sunset time for any cityLearn the easiest ways to find accurate sunset times for any city worldwide, plus why times vary by location, season, and daylight saving time.
• 🕰️ Daylight saving time and sunsetDaylight saving time shifts the clock, not the sun. Learn how DST affects sunset and sunrise times, and why planning around the change matters.
• 🔵 Why is the sky blue?Learn why the sky is blue and how the same Rayleigh scattering creates red sunsets, green flashes, and colorful twilight.