#leapsecond
Live, measured metrics for the hashtag #leapsecond from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #leapsecond
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-11 02:25 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-11 02:25 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-11 02:25 UTCEverything below is measured over the latest 34 public posts (spanning ~39686 hours).
Posting hours (UTC) — busiest: 23:00
Languages: English (31) · German (1) · Spanish (1) · Esperanto (1)
Avg boosts / post: 0.5
Top of the latest posts
#Earth Rotation Records Spur October Vote to Avert #NegativeLeapSecond: […] timekeepers say 30% chance […] by 2035, 20260711, by Richard L W, https://www.techtimes.com/articles/320185/20260711/earth-rotation-records-spur-october-vote-avert-
We haven't had a #leapSecond since 2016. I think we are due.
The have actually decided to abolish the #LeapSecond from 2035. Nice. #TIL https://www.nature.com/articles/d41586-022-03783-5
What “leapsecond” means
WikipediaA leap second is a one-second adjustment occasionally applied to Coordinated Universal Time (UTC), to accommodate the difference between International Atomic Time (TAI), as measured precisely by atomic clocks, and observed solar time (UT1), which varies due to irregularities and long-term slowdown in the Earth's rotation.
“Leap second” on Wikipedia (CC BY-SA) →#leapsecond across platforms
every network with a public tag surfaceFollow #leapsecond straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/leapsecond