# @optica.worldwide on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DZ18gkkDJKs
- **Gondola URL:** https://gondola.cc/posts/66922479-opticaworldwide-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/f7b84b71dc.jpg
- **Posted:** 2026-06-21T09:28:07.000+00:00
- **Account Owner:** Optica (@optica.worldwide) — https://gondola.cc/optica.worldwide

## Caption

Today, 21 June, marks the June solstice!

For millennia, we relied on the solstice as a way to tell time.  Now, optical lattice clocks use a large number of atoms trapped in a laser interference pattern to provide a high level of timekeeping accuracy.

Follow along in this infographic, which shows how timekeeping has evolved from ancient civilizations to possibly redefining the second. 

#Solstice #JuneSolstice #Timekeeping #Clocks

## Stats

- **Views:** 0
- **Likes:** 35
- **Shares:** 0
- **Comments:** 0

## Tags

timekeeping, solstice, clocks, junesolstice

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