AstronomyNext 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
CalendarA Midsummer Night’s MoonSummer celebrations fall on a Full Moon night this year, making Midsummer one of 417 Full Moon holidays in 2024. Coincidence? Or are some holidays designed for Full Moons?Published: Jun 18, 2024
AstronomyEqual Day and Night? It Happens in June!As the Northern Hemisphere celebrates the longest day on June 20, 2024, some experience equilux, equal day and night. Spoiler alert: It's not at the equator.Published: Jun 14, 2024
AstronomyAncient History About to Happen in the Night SkySometime in the next few months, we might see a distant star system explode.Published: Jun 7, 2024
AstronomyClosest 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
CalendarBuddha’s Birthday: A Celebration Across Different DatesBuddhists in many countries celebrate Buddha’s Birthday on May 22 and May 23. Elsewhere, the holiday fell on March 23, April 8, and May 15. Why so many dates?Published: May 16, 2024
CalendarCelebrating Norway’s Big DayHeadquartered in Norway, everyone at timeanddate is gearing up for Constitution Day on May 17. Sara Kornberg tells us what’s so special about this day.Published: May 13, 2024
CalendarWhen Is Mother’s Day Celebrated Worldwide?Discover the varying dates of Mother’s Day across the globe. While most countries mark this special occasion in May, others choose March or even December.Published: May 8, 2023, Updated: May 6, 2024
AstronomyEarth 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
AstronomyWho Gets the Most Eclipses?How frequent are eclipses for a particular city—and do some cities get more than others?Published: Apr 1, 2024
AstronomyHow 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
CalendarWhy Is Easter 35 Days Late?Did you know that there are two Easter dates? One date is 35 days late this year. The reasons are lunar cycles and calendar computations.Published: Mar 25, 2024