#birthday

Live, measured metrics for the hashtag #birthday 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 #birthday

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.

$110.68/ year · 8-character #name
Claim #birthday — $110.68/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
48
Uses / 7 days
Mastodon
40
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.3/hr
Recent pace
Mastodon · last 40
0.4
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-10-08 22:42 UTC
5
10-02
5
10-03
8
10-04
7
10-05
6
10-06
9
10-07
8
10-08

48 uses by 40 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 2026-10-08 22:42 UTC
#birthdayCake
0 uses · 0 accounts / 7d
#BirthdayVibes
0 uses · 0 accounts / 7d
#birthdayparty
0 uses · 0 accounts / 7d
#birthdaygirl
0 uses · 0 accounts / 7d
#birthdays
1 uses · 1 accounts / 7d
#birthdaywishes
0 uses · 0 accounts / 7d
#birthdayreminder
3 uses · 3 accounts / 7d
#birthdayweek
7 uses · 5 accounts / 7d
#birthdaygifts
2 uses · 2 accounts / 7d
#birthdaycelebration
0 uses · 0 accounts / 7d
#birthdayjo
1 uses · 1 accounts / 7d
#birthdayboy
0 uses · 0 accounts / 7d

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-10-08 22:42 UTC

Everything below is measured over the latest 40 public posts (spanning ~123 hours).

Posting hours (UTC) — busiest: 12:00

00:0012:0023:00

Languages: English (24) · French (11) · German (2) · Dutch (1)

Avg boosts / post: 1.1

Top of the latest posts

  • 2026-10-04 Happy Birthday Hein de Kort #jarig #birthday

    Hein ©️@Hein_Kortoons@mastodon.nl♥ 11↻ 42026-10-04 07:43 UTCView post →

  • Dans Lucky Star, Yui Narumi a son anniversaire le 7 octobre #birthday

    Animint :verified:@animint@mastodon.animint.fr♥ 1↻ 22026-10-07 13:56 UTCView post →

  • tomorrow is my annual oh-yeah-I'd-better-visit-facebook-to-thumbs-up-all-the-birthday-wishes-to-me-even-though-they-haven't-thought-of-me-in-a-year-until-facebook-reminded-them day #facebook #birthday

    Denis 🌏@constantorbit@hachyderm.io♥ 1↻ 12026-10-06 01:41 UTCView post →

What “birthday” means

Wiktionary · Wikipedia

birthday/ˈbɜːθ.deɪ/

  • nounThe anniversary of the day on which someone is born.
  • verbTo celebrate one's birthday.
Full entry on Wiktionary →

A birthday is the anniversary of the birth of a person or the figurative birth of an institution. Birthdays of people are celebrated in numerous cultures, often with birthday gifts, birthday cards, a birthday party, or a rite of passage.

“Birthday” on Wikipedia (CC BY-SA) →

#birthday across platforms

every network with a public tag surface

Follow #birthday 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/birthday