Joe Rao is Space.com's skywatching columnist, as well as a veteran meteorologist and eclipse chaser who also serves as an instructor and guest lecturer at New York's Hayden Planetarium. He writes about astronomy for Natural History magazine, Sky & Telescope and other publications.
The first full moon of spring, known as the Paschal Moon, sets the date for Easter each year.Contact me with news and offers from other Future brandsSign up to our monthly entertainment newsletter to keep up with all our coverage of the latest sci-fi and space movies, tv shows, games and books.
Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter and explore the universe with us!Space.com's Sci-Fi Reader's Club. Read a sci-fi short story every month and join a virtual community of fellow science fiction fans!The first full moon of spring rises on April 1 and it plays a crucial role in setting the date of Easter. The official moment that the moon will turn full is 10:12 p.m. EDT. Interestingly, at the instant of that full moon, its position in the sky will place it about a dozen degrees to the southeast of the spot that is occupied byon the first day of autumn. And the full moon occurring nearest to the autumnal equinox is traditionally called theWhat sets the Harvest Moon apart from the others is that, instead of moonrise occurring at its normal average of 50 minutes later each day, it seems to rise at nearly the same time for several nights.or the Paschal Term — 14 or 15 Nisan on the Jewish Calendar, which also marks Pesach or Passover. Easter is observed on the Sunday after the Paschal Full Moon. So, according to the current ecclesiastical rules, Easter is to be celebrated on April 5. Interestingly, Easter can fall as early as March 22 and as late as April 25. So, by these standards, Easter is coming a bit early in the calendar this year.is fixed on March 21, even though worldwide from the years 2008 through 2103 it will occur no later than March 20. Hence, there can sometimes be discrepancies between the ecclesiastical and astronomical versions for dating Easter. In the year 2038, for instance, thethe next day, so astronomically speaking, Easter should fall on March 28 of that year. And yet, as mandated by the rules of the Church, Easter in 2038 will be observed as late as it can possibly come, on April 25!each night. In the table below, we've provided some examples for ten North American cities. The local moonrise times for March 31, April 1 and April 2 are provided, the middle date being that of the Paschal Full Moon.Although normally the moon rises about 50 minutes later each night, over this three-night interval for our relatively small sampling, we can see that the rising of the Paschal moon comes, on average, just over 65 minutes later each night. A quick study of the table shows that the night-to-night difference is greatest for the more northerly locations . Meanwhile, the difference is less at more southerly locations .and at this time of year, when rising, the ecliptic makes its largest angle with respect to the horizon for those living in the Northern Hemisphere. In contrast, for those living in the Southern Hemisphere, the ecliptic at this time of year appears to stand at a more oblique angle to the eastern horizon. As such, the difference for the time of moonrise is noticeably less than the average of 50 minutes per night. In Sydney, Australia, for instance, , the night-to-night difference amounts to just under 27 minutes.Joe Rao is Space.com's skywatching columnist, as well as a veteran meteorologist and eclipse chaser who also serves as an instructor and guest lecturer at New York's Hayden Planetarium. He writes about astronomy for Natural History magazine, Sky & Telescope and other publications. Joe is an 8-time Emmy-nominated meteorologist who served the Putnam Valley region of New York for over 21 years. You can find him on Twitter and YouTube tracking lunar and solar eclipses, meteor showers and more. To find out Joe's latest project, visit him on Twitter.StargazingStargazingInterstellar comet 3I/ATLAS may be nearly 12 billion years old — so ancient its star system may no longer exist
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