#tropicalyear
Live, measured metrics for the hashtag #tropicalyear from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #tropicalyear
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 · mastodon.social (Mastodon public tags API) · fetched 2026-10-04 17:03 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-04 17:03 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-04 17:03 UTCEverything below is measured over the latest 10 public posts (spanning ~32576 hours).
Posting hours (UTC)
Languages: English (10)
Avg boosts / post: 0.1
Top of the latest posts
This means that the Romans had no real concept of, say, "The 28th of Martius"; they thought of that day as "three days before the kalends of Aprilis". But there was another issue. Even with 12 months, the normal #calendar year was a little
In 1900, Maksim Trpković revised the #JulianCalendar. Under his system, an year that yields a remainder of 0 or 400 when divided by 900 is a #LeapYear. Milutin Milanković slightly altered this in 1923, changing the rule to years that give a
In the 17th century, #IsaacNewton recognised that the #julianCalendar was deficient but the #GregorianCalendar was too #Catholic for him. He worked on a new calendar whose mean year was just a few seconds shorter than the #TropicalYear (the
#tropicalyear across platforms
every network with a public tag surfaceFollow #tropicalyear 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/tropicalyear