Nautical twilight comes about from the point of civil dusk until nautical dusk. The moment in the evening when the middle of the sun is at a depression angle of six degrees 6° below the horizon. Evening civil twilight occurs from the idea of sunlightset through civil dusk.

If your location is south of the equator you should key in a negative latitude. Astronomical twilight occurs when the center of the sun is 18° below the horizon. Sunset Time occurs when the centre of the sun is 12° below the horizon.

Sunrise & Sunset Today In Busan

There are two jumps inside the graph that represent the hour change for Daylight Saving Time (DST) in Philadelphia, PA. Check out today time’s and tomorrow’s sunrise and sunset times in Philadelphia, PA, USA, as well as the whole calendar for May 2026. Astronomical dusk is defined because the moment in the evening when the center of this sun is at a depression angle of eighteen degrees 18° below the horizon. newlineAstronomical twilight occurs from the point of nautical dusk until astronomical dusk. Nautical dusk is defined as the moment in the evening when the center of the sun is at a depression angle of twelve degrees 12° below the horizon.

Times update automatically, and clicking any computed sun time copies it to your clipboard for easy sharing. It’s important to note that both sunrise and sunset are ‘quicks’. The time range during which a single day becomes night or vice versa is called twilight. We can distinguish between your morning twilight, that happens between dawn and sunrise along with the evening twilight, that happens between sunset and dusk each day. Duration of twilight actually depends upon our position on the planet and date of year. For example at Arctic and Antarctic latitudes, on winter, night never gets completely dark.

🇨🇦sunrise & Sunset In Canada

SunriseSunset.com also offers a freeware product for Windows computers, Sunrise Sunset Calculator. It is an application for the “Notification Area” that supplys you with a daily report on the sunrise, sunset and twilight times for your location. The sunrise sunset calculator either detects your location (with permission!) or lets you search through a city database.

There is also a list of 194 countries worldwide to easily select your desired country. After selecting, you will see a list of its cities for further lookup. This feature is useful for people who frequently travel for business or tourism, or study and work in geography and astronomy.

Sunrise and sunset times, civil twilight start and end times in addition to solar noon, and day length for each moment of May in Philadelphia. A negative change in day length means days are getting shorter. Enter latitude and longitude and select enough time zone for the location. Helsinki, Uusimaa gets 13 hours and 7 minutes more daylight within the summer solstice than the winter weather solstice. The longest day has 18 hours and 55 minutes of daylight as the shortest day has only 5 hours and 48 minutes. The average time length throughout the year is 12 hours and 23 minutes.