The second new moon in a single calendar month. The third new moon in a season of four new moons. The next black moon will occur on Aug. 23, 2025 , as per the second definition of the third new ...

The 2025 summer solstice takes place Friday, June 20, at 10:42 p.m. ET. The summer solstice is the longest day of the year, ...

As June progresses, Earth prepares for a key moment in its orbit: the summer solstice, which in 2025 will occur on Friday, June 20, at 10:42 p.m. ET. This event marks the astronomi ...

The June solstice will bring us the longest day of the year and the beginning of summer. Here's when and what to know about ...

Mark your calendars for June 15, 2025, as Surya, the Sun, shifts from Taurus to Gemini. Vedic astrology suggests this transit ...

After a four-year hiatus, February 29 gets it fleeting, 24-hours of fame on Monday - before being banished from the pages of our calendars again until 2020, when the next leap year occurs.

And if you miss it this time around, mark Sept. 22-25 on your calendar for your next chance to see Chicagohenge in all its glory. What are the best times to see Chicagohenge?

Here's what to know about the upcoming 2025 summer solstice this week and when it last fell on June 22 — the rarest date for the longest day.