AstronomyDo You Get a Black Moon?What is a Black Moon, and why does it happen in December?Published: Dec 19, 2024
Winter Solstice: Shortest Day, Not Latest SunriseWhy do mornings keep getting darker after the December solstice?Published: Dec 17, 2024
This Month’s Full Moon Will Only Be 99.82% FullOn December 15, 2024, we will have the least illuminated Full Moon of the year.Published: Dec 11, 2024
Look Out for December’s Extreme Full MoonThe Full Moon on December 15, 2024, will rise and set at its most extreme northerly points on the horizon.Published: Dec 4, 2024
See the Shooting Stars of the Geminids 2024The Geminid Meteor Shower 2024 peaks in mid-December and can bring more than 100 meteors per hour.Published: Dec 3, 2024
The Moon & Saturn Meet AgainDon’t miss seeing the Moon and Saturn meet in the night sky for another close approach on December 7, 2024.Published: Nov 20, 2024
Do You Get a Black Moon This Weekend?What is a Black Moon, and why do some people get it earlier?Published: Nov 15, 2024
Will We See a Bright Naked-Eye Comet in 2025?Our comet list for 2025 doesn’t contain anything as dramatic as Tsuchinshan-ATLAS. But that could change.Published: Nov 14, 2024
What Will Happen to “Sungrazer” Comet C/2024 S1?A newly discovered Kreutz sungrazer comet might become bright around the end of October 2024—but the latest indications are not promising.Published: Oct 14, 2024, Updated: Oct 28, 2024
Saturn and Moon Meet in the SkySaturn and the Moon will meet up in the night sky for a close approach on November 10–11.Published: Oct 25, 2024
Don’t Miss Comet Tsuchinshan-ATLASWe give you 5 steps to up your chances of spotting the rare naked-eye comet.Published: Oct 17, 2024, Updated: Oct 23, 2024
Orionids 2024—a Trail of Debris from Halley’s CometAlthough 2024 is not an exceptional year for the Orionids, it is a big year for the comet that produces this particular meteor shower.Published: Oct 15, 2024
The Super Hunter’s Moon 2024This month, the Full Hunter’s Moon will be a Supermoon and the closest Full Moon of the year.Published: Oct 9, 2024
Saturn Moon Close ApproachSaturn and the Moon will meet up in the night sky for a close approach on October 14–15.Published: Oct 8, 2024
Can You See the Comet?Comet Tsuchinshan-ATLAS might be visible to the naked eye in the coming weeks.Published: Sep 27, 2024
Sun to Cross Equator This WeekendWhat time is the 2024 September equinox—and where exactly does the Sun cross the equator?Published: Sep 19, 2024
October 2: Final Eclipse of 2024A solar eclipse across South America coincides with a Micro New Moon—how does this make a crucial difference?Published: Sep 12, 2024
The Super Harvest Moon Eclipse 2024Five reasons why the Full Moon on the night of September 17–18, 2024, will be extra special.Published: Sep 3, 2024
When Will T Coronae Borealis Erupt?“The most likely remaining eruption date is ‘soon’, any night now.”Published: Jun 7, 2024, Updated: Aug 22, 2024
A Rare Blue Moon in AugustThis month a special Full Moon will light up our sky. It’s the Sturgeon Moon, but also a Blue Moon. How does that happen?Published: Aug 12, 2024
Closest Jupiter-Mars Conjunction until 2033On August 14, 2024, Jupiter and Mars will appear to almost touch in the sky—an illusion caused by a planetary alignment.Published: Aug 2, 2024
Five Things to Know about the Perseid Meteor ShowerThe Northern Hemisphere’s summertime shooting-star display peaks around August 11 to 13.Published: Jul 31, 2024
Venus Returns as the Evening StarFor the next eight months or so, depending on your latitude, Earth’s twin planet will shine in the west after sunset.Published: Jul 17, 2024
Next Summer Will Be 15 Minutes ShorterEarth reaches aphelion—its farthest point from the Sun—on July 5, 2024. Aphelion doesn’t cause the seasons, but it does affect their length, along with other complex factors.Published: Jun 28, 2024
Equal Day and Night? It Happens in June!As the Northern Hemisphere celebrates the longest day in June, some experience equilux, equal day and night. Spoiler alert: It's not at the equator.Published: Jun 14, 2024, Updated: Sep 22, 2024
Closest Quarter Moon 2024The end of 2024’s shortest lunar month—from May 30 to June 28—coincides with this year’s closest Quarter Moon.Published: May 23, 2024, Updated: Jun 25, 2024
Earth Slows Down, but Remains UnpredictableFollowing a recent run of the shortest days ever recorded by atomic clocks, Earth’s rotational speed may be slowing.Published: Apr 25, 2024
Who Gets the Most Eclipses?How frequent are eclipses for a particular city—and do some cities get more than others?Published: Apr 1, 2024
How San Antonio Lost the 2024 Great American EclipseA few decades ago, parts of downtown San Antonio were predicted to have half a minute of totality on April 8. But as a result of Earth’s unpredictable rotation, the city center will miss out.Published: Mar 27, 2024
The Comet Sharing the Stage with a Solar EclipseA comet may become visible in the night sky around the time of April’s solar eclipse. But that doesn’t necessarily mean it’s wise to look for it during totality.Published: Mar 22, 2024
Micro Moon and Penumbral Lunar Eclipse 2024When the Sun, Earth, and Moon almost perfectly align on March 25 at 07:00 UTC for a Full Moon, it also coincides with a whole bunch of lunar events.Published: Mar 18, 2024
The 7 Best Places to See the 2024 Total Solar EclipseAre you gearing up to see the total solar eclipse in April? We’ve collected some of the best spots to see totality, and the tools to find your perfect location.Published: Mar 7, 2024
March 10: Moon’s Closest Approach to Earth in 2024The New Moon of March 2024 will produce this year’s shortest Earth-Moon distance.Published: Mar 6, 2024
March and April 2024: Jupiter and Moon Close ApproachAround March 13, the Moon will pair up with Jupiter in the latest of a string of close approaches. The Moon will sweep by again around April 10.Published: Jan 12, 2024, Updated: Mar 6, 2024
January Full Moon Kicks Off Longest Moon Phase of 2024The Moon will take 8 days, 5 hours, and 24 minutes to go from Full on January 25, to Third Quarter on February 2. That’s the longest time between two primary Moon phases this year.Published: Jan 18, 2024
January 2024 New Moon Will Be an Ultra-Thin Crescent MoonThe New Moon on January 11 will also produce the biggest solar eclipse ‘miss’ of 2024.Published: Jan 4, 2024
Geminid Meteor Shower 2023: Where and When to See ItThe Geminid Meteor Shower 2023 peaks just after a New Moon, making the skies perfectly dark for a shooting star show.Published: Dec 4, 2023
Why Is the Dec 5 Half Moon Special?Find out why this ‘Half Moon’ is more than 50% illuminated. Plus, we share some lesser-known Moon dates for 2024, from the closest Moon, to the shortest lunar month.Published: Nov 27, 2023
Lunar Eclipse over Rugby FinalOn October 28, rugby fans in Paris may find the action on the field upstaged by a partial lunar eclipse overhead.Published: Oct 17, 2023
Solar Eclipse 2023 HighlightsSee our footage of the famous “ring of fire” forming in the sky as the 2023 annular solar eclipse reaches its peak.Published: Oct 14, 2023
The Texas Cities That Lost a Solar EclipseNew Braunfels and Seguin in Texas were predicted to be within the path of annularity for the solar eclipse on October 14, 2023. But Earth had other ideas.Published: Oct 4, 2023
The 2023 Annular Solar Eclipse in AmericaOn October 14, an annular solar eclipse will sweep across North and South America. The timeanddate team will be on the ground in Roswell, New Mexico, streaming it LIVE to you.Published: Sep 27, 2023
Harvest Moon Waxes as Equinox Warps Moonrise TimesYou may have noticed that the Moon rises in quicker succession these days than it usually does. It’s a side effect of the approaching equinox—and one of the reasons why we call the next Full Moon the Harvest Moon.Published: Sep 20, 2023
Venus at Greatest Elongation: Subtle Patterns RevealedVenus performs a dazzling 19-month dance as the morning and evening star. But digging into the data reveals more subtle patterns.Published: Sep 15, 2023, Updated: Oct 19, 2023
The Super Blue Moon in August 2023There’s a special Full Moon on August 31, 2023: it’s a Super Blue Moon. How rare is this? We’ve crunched the numbers.Published: Jul 20, 2023, Updated: Aug 25, 2023
Perseid Meteor Shower 2023This year, the Perseid Meteor Shower peaks on a weekend, and—with an almost New Moon—we are in for a spectacular show.Published: Jul 26, 2023
The European Astronomy Community MeetsLast week saw the annual meeting of the European Astronomical Society in Kraków, Poland. timeanddate was there to catch up with old friends, and share our experience of live-streaming eclipses.Published: Jul 17, 2023
99% of Population in Sunlight: July 8 Isn’t the Only DateLast year, we confirmed an internet meme claiming 99% of the world’s population gets sunlight at the same time on July 8. In fact, this happens on a whole range of dates—but only around a specific time of day.Published: Jul 4, 2023
Who Gets the Most Sunlight?No matter where we live, we spend about half the year with the Sun above the horizon. But, ignoring clouds, which part of the world gets the most daylight? And which gets the least? The answers might surprise you.Published: Jun 14, 2023
June 4, 2023: Venus at Farthest Distance from Sun in SkyTwice every 19 months, Venus reaches its farthest point from the Sun in the sky. But on June 4, its maximum distance will be slightly less than usual.Published: May 31, 2023
May 2023 Eclipse: Moon Just Misses Earth’s Dark ShadowDuring a penumbral lunar eclipse on May 5, 2023, the Moon will pass within about 160 km (100 miles) of Earth’s umbral shadow.Published: May 3, 2023
Ningaloo Eclipse Wows MillionsEclipse enthusiasts around the world just witnessed a rare hybrid solar eclipse that graced the skies above parts of Australia and Asia. Watch the highlights from our live stream.Published: Apr 20, 2023
10 Things about the April 2023 Total Solar EclipseWhen is it, where does it happen, and how can you watch it? Plus, what makes the April 20 solar eclipse so special?Published: Apr 4, 2023
Bringing the Sky to the ScreenWe’re helping the science community launch a forum for everyone involved in planning and producing live astronomy broadcasts.Published: Mar 29, 2023
“The Great American Eclipse?” It Starts in MexicoWith a little over a year to go until a total solar eclipse across North America, timeanddate has been helping local preparations in the city of Mazatlán.Published: Mar 15, 2023
How Many Millions Live in the Path of Upcoming Eclipses?31.5 and 42.6 million people live along the paths of annularity and totality for the 2023 & 2024 solar eclipses across the Americas. But which upcoming eclipse passes over the biggest resident population?Published: Feb 27, 2023
Green Comet 2023: Find It in the Sky!Comet C/2022 E3 (ZTF) will make its closest approach to Earth on February 1. It might be possible to spot it with the naked eye.Published: Jan 19, 2023
January 21, 2023: Closest New Moon Since the Middle AgesThis Saturday’s New Moon will be the closest New Moon to Earth in a period of 1337 years.Published: Jan 17, 2023
Look Up! Night-Sky Highlights for 2023Andrew Fazekas from Astronomers Without Borders picks out five cosmic events to look forward to this year.Published: Jan 10, 2023
The Shortest Day Is Becoming LongerMany of us would welcome more daylight on the shortest day of the year. So here’s some good news: the year’s shortest day is becoming longer (but only by a few seconds).Published: Dec 15, 2022
Dec 6: Minute of Global DarknessThere's a moment each year when almost 9 in 10 people worldwide experience night.Published: Dec 1, 2022
The End of the Leap Second?The world may be moving toward getting rid of leap seconds—for at least 100 years.Published: Nov 19, 2022
Getting Ready for a Lunar Eclipse Live ShowOur mobile observatory team is preparing to live stream the November 2022 lunar eclipse. Meanwhile, our partners around the world will provide contrasting views of the same event.Published: Nov 2, 2022
Why You Should Look Up at the Sky TodayAre you planning to see the partial solar eclipse tomorrow? Here’s all you need to know.Published: Oct 24, 2022, Updated: Oct 25, 2022
10 things about the October–November eclipse seasonEclipses come within periods known as eclipse seasons. The October–November 2022 season features a partial solar eclipse and a total lunar eclipse.Published: Oct 14, 2022
International Observe the Moon Night 2022The next First Quarter Moon will be the closest Quarter Moon this year. Celebrate the Moon on Saturday, October 1, for International Observe the Moon Night.Published: Sep 26, 2022
Get Ready for the 2022 EquiluxThe September equinox is upon us. But did you know that day and night are equal on a different date? Find out why and when.Published: Sep 16, 2022, Updated: Sep 22, 2022
timeanddate at the Europlanet Science Congress 2022We’re collaborating with specialists worldwide to host two sessions focussing on public engagement and the live coverage of celestial events.Published: Sep 14, 2022
When Is the Harvest Moon in 2022?The Harvest Moon is on September 10 this year. But the wonderful thing about this Full Moon is that, in the Northern Hemisphere, it can feel like it lasts for a few days.Published: Sep 7, 2022
Watching the Weather for Artemis IStormy weather could delay the launch of NASA’s latest Moon mission on Monday.Published: Aug 24, 2022, Updated: Sep 4, 2022
Perseids Meteor Shower 2022With up to 100 shooting stars per hour, the peak of the Perseids is a night to look forward to. Alas, the Full Moon shines bright this year, making it a bit more challenging to see the shooting stars.Published: Aug 9, 2022
Celebrate the Milky Way This AugustJoin Astronomers Without Borders from August 1 to 7 to learn more about our home galaxy.Published: Aug 1, 2022
Earth Sets New Record for Shortest DayEarth keeps spinning faster—but why? timeanddate checks the latest numbers.Published: Jul 27, 2022, Updated: Apr 25, 2024
99% Of Us See Daylight at This Moment (Or Do We?)Is it really true that 99% of the world's population see daylight at 11:15 UTC on July 8?Published: Jul 4, 2022
Super Buck Moon July 2022The second Supermoon of 2022—the Super Buck Moon—will grace our skies on July 13. Here are some tips on how to enjoy it.Published: Jul 1, 2022
Super Strawberry Moon June 2022Everyone can see the Super Strawberry Moon in June! The Strawberry Moon will be close to Earth, making it a Supermoon. Here are some tips on how to see it.Published: Jun 10, 2022
Planets to Align in the Sky in June 2022The seven wandering classical planets—including the Moon and the Sun—line up in the sky this month. Find out where and when to spot the planetary alignment.Published: Jun 9, 2022
500 Days to the ‘Ring of Fire’ Eclipse Across the AmericasThe timeanddate mobile observatory will be in Roswell, New Mexico, for an annular solar eclipse on October 14, 2023.Published: May 30, 2022
Manhattanhenge 2022Manhattanhenge is when the Sun aligns with the street grid of New York at sunset. Find out dates and locations for 2022.Published: May 25, 2022, Updated: May 28, 2022
Shortest Moon Phase in 2022The time between this month’s Full Moon and Third Quarter Moon will be the shortest period between two primary Moon phases this year.Published: May 20, 2022
Highlights: May 2022 Lunar EclipseFrom moonrise in western North America to a spectacular moonset in Morocco, timeanddate broadcast live pictures from around the world.Published: May 16, 2022
Getting Ready for the Prime-Time Blood Moon EclipseA glance behind the scenes as we prepare our LIVE studio—and send our mobile observatory to Morocco for prime-time pictures of the eclipse.Published: May 13, 2022
May 2022 Lunar Eclipse: Top 3 Tips for Watching the EventWith two weeks to go until a prime-time lunar eclipse, timeanddate asked Dr. Ed Krupp—director of Griffith Observatory in Los Angeles—for his eclipse-watching advice.Published: May 2, 2022
timeanddate at the Europlanet Science CongressAre you involved in astronomy live streams? Join timeanddate at the Europlanet Science Congress in September 2022 to present your work and take part in our discussion.Published: Apr 25, 2022, Updated: May 6, 2022
Longest Prime-Time Totality on the West Coast This CenturyThe next lunar eclipse will be a Sunday-evening spectacular in North America.Published: Mar 29, 2022
