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Daytime - Wikipedia

en.wikipedia.org/wiki/Daytime

On Earth, daytime is roughly the period on any given point of the planet's surface during which ... At the Equator, the daytime period is always almost twelve hours in length, no matter what the...

Equinox Does Not Have Equal Day & Night Length - Timeanddate.com

www.timeanddate.com/astronomy/equinox-not-equal.html

On the equator, the day and night stay approximately the same length all year round, but the day will always appear a little longer than 12 hours, due to the ...

Is the Sun always up for exactly 12 hours at the equator? (Beginner ...

curious.astro.cornell.edu/about-us/161-our-solar-system/the-earth/day-night-cycle/195-is-the-sun-always-up-for-exactly-12-hours-at-the-equator-beginner

Jun 27, 2015 ... It is always exactly 12 hours. There are a couple ... (Intermediate) · How does night and day work? (Beginner) ... (Beginner) · If spacetime is curved, is it possible for us to look into space and see light from Earth from long ago?

DATES WHEN DAYS AND NIGHTS REACH 12 HOURS IN LENGTH ...

www.artscalendararticles.mysite.com/

After the long nights of darkness in the winter, it is when the sun and moon divide the day so there are again 12 hours of daylight and darkness in the day for ...

Ask Tom Why: How does the length of day and night vary at the ...

articles.chicagotribune.com/2011-07-08/news/ct-wea-0708-asktom-20110708_1_equator-length-daylight

Jul 8, 2011 ... Daylight at the equator is always a bit longer than darkness, the ... by only 2 minutes during the year, from 12 hours 6 minutes to 12 hours 8 ...

Day and night exactly equal at equinoxes? | Astronomy Essentials ...

earthsky.org/astronomy-essentials/why-arent-day-and-night-equal-on-the-day-of-the-equinox

Sep 18, 2016 ... On the day of the equinox, the center of the sun would set about 12 hours after rising - given a level horizon, as at sea, and no atmospheric ...

December solstice 2016 is the 21st | Astronomy Essentials | EarthSky

earthsky.org/earth/everything-you-need-to-know-december-solstice

Dec 21, 2016 ... Note that the north polar region of Earth has 24 hours of night, while the south ... have day lengths greater than 12 hours at the December solstice. ... The exact dates vary, but the sequence is always the same: earliest .... I love the long days of spring and early summer and it all begins here in December.

When is nightime the same length as daytime?: Planetarium

museumvictoria.com.au/planetarium/discoverycentre/faqs/when-is-nightime-the-same-length-as-daytime/

Mar 19, 2010 ... ... amount of daytime and nighttime, exactly 12 hours each, is called the equinox. ... of daylight and 12 hours of night, because this day is not exactly 24 hours long! ... We love receiving comments, but can't always respond.

On Spring Equinox, Day and Night Equal in Name Only

news.nationalgeographic.com/news/2004/03/0318_040318_equinox.html

Mar 20, 2006 ... The day of light and dark equality always happens before the spring and ... day and night of the equinox would each be exactly 12 hours long.

Length of Day and Night at the Equinoxes - Astronomical ...

aa.usno.navy.mil/faq/docs/equinoxes.php

Jun 14, 2011 ... The dates on which day and night are each 12 hours occur a few days ... from sunrise to sunset is always several minutes longer than the night.