#EarthHour2021

Live, measured metrics for the hashtag #EarthHour2021 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 #earthhour2021

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 · 13-character #name
Claim #earthhour2021 — $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
3
Recent posts
Mastodon
~1.1/hr
Recent pace
Mastodon · last 3
0
Avg reactions / post
Mastodon · last 3
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-08-03 09:06 UTC
0
07-28
0
07-29
0
07-30
0
07-31
0
08-01
0
08-02
0
08-03

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

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-08-03 09:06 UTC

No related tags with measured usage found for #earthhour2021.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-08-03 09:06 UTC

Everything below is measured over the latest 3 public posts (spanning ~2.7 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: German (2) · English (1)

Avg boosts / post: 0.3

Top of the latest posts

  • Es ist eigentlich unfassbar, dass LICHT AUS AM SAMSTAGABEND 🤯 ein Symbol für #Klimaschutz in Mitten der #Klimakrise gelten soll - wir aber noch nicht einmal einen autofreien Sonntag hinbekommen. *wahlweise Meme mit Bagger und Frachter im S

    KoalaKollektiv :koa:@[email protected]♥ 0↻ 12021-03-27 19:01 UTCView post →

  • Also um 20:30 Uhr machen wir alle Lichter aus und gucken mal, ob unser Stromnetz den plötzlichen Überschuss aushält? Klingt witzig. Wer ist dabei? 😀 #EarthHour #EarthHour2021

    3of14@[email protected]♥ 0↻ 02021-03-27 17:27 UTCView post →

  • Let's give the Earth a little break. #EarthHour #EarthHour2021

    FlokiNET@[email protected]♥ 0↻ 02021-03-27 16:16 UTCView post →

#earthhour2021 across platforms

every network with a public tag surface

Follow #earthhour2021 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/earthhour2021