#HappyPiDay
Live, measured metrics for the hashtag #HappyPiDay from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #happypiday
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 01:27 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 2026-07-28 01:27 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 01:27 UTCEverything below is measured over the latest 40 public posts (spanning ~17524 hours).
Posting hours (UTC) — busiest: 16:00
Languages: English (37) · German (2)
Avg boosts / post: 1.7
Top of the latest posts
Husband was talking to his friend on the phone, and he had to explain what a Pi Day was, by even mentioning that Pi is 3.14. I then went to grocery shopping, and there were no pies. Just some round coffee cakes. I mean seriously. It's a big
RE: https://fosstodon.org/@jgamble/112089538976904074 Still one of the best Pi Day videos. #PiDay #HappyPiDay
There are few constants, but no matter what, there is always π And π Day. Have a happy wau! #HappyPiDay #PiDay
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/happypiday