#astronomyday

Live, measured metrics for the hashtag #astronomyday from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #astronomyday

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.

$5.00/ year · 12-character #name
Claim #astronomyday — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
11
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 11
0.7
Avg reactions / post
Mastodon · last 11
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-10-03 00:08 UTC
0
09-27
0
09-28
0
09-29
0
09-30
0
10-01
0
10-02
0
10-03

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-10-03 00:08 UTC
#astronomyday2023
0 uses · 0 accounts / 7d
#AstronomyDays
0 uses · 0 accounts / 7d
#astronomyday2026
0 uses · 0 accounts / 7d

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-10-03 00:08 UTC

Everything below is measured over the latest 11 public posts (spanning ~55930 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: English (11)

Avg boosts / post: 2.8

Top of the latest posts

  • In #Goettingen, the upcoming Astronomy Day on March 28th will offer lectures, planetarium shows and skygazing. Topics will be #moon, #planets, #exoplanets for kids, #Voyager and much more! In German. More info here: https://www.mps.mpg.de/a

    MPS Göttingen@[email protected]♥ 7↻ 62026-03-04 09:09 UTCView post →

  • “ International Astronomy Day is a global celebration dedicated to awakening curiosity about the universe and making the wonders of the night sky accessible to everyone. It is more than just a date on the calendar—it is a worldwide invitati

    C Z Doval Santos@[email protected]♥ 1↻ 12026-09-19 02:01 UTCView post →

  • Today is Astronomy Day 📡🪐👽😬 #punindented #punintended #wortspiele #wortwitze #cartoonhumor #kalauer #flachwitze #homokalaueriensis #homopuniensis #nerdsnotdead #nerdhumor #astronomyday #astronomers #iwanttobelieve

    Peter K. Lauer@[email protected]♥ 0↻ 12026-04-25 07:49 UTCView post →

#astronomyday across platforms

every network with a public tag surface

Follow #astronomyday 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/astronomyday