#黒の日
Live, measured metrics for the hashtag #黒の日 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #黒の日
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 · mas.to (Mastodon public tags API) · fetched 2026-08-23 11:49 UTC0 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 2026-08-23 11:49 UTCNo related tags with measured usage found for #黒の日.
Live pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-08-23 11:49 UTCEverything below is measured over the latest 23 public posts (spanning ~35434 hours).
Posting hours (UTC) — busiest: 15:00
Languages: English (6) · Japanese (3)
Avg boosts / post: 1.7
Top of the latest posts
Happy 'Black Day' (黒の日)🎉 Not a sad event, but rather a celebration of Japan's dye industry, established by the Kyōto Black Dyeing Industry Cooperative in 1988. Black is 'kuro' (黒) in Japanese. 🖤September (9) = ku 🖤6 = ro(ku) #黒の日 #くろの日 #
ブラック・アンド・ノーティー・レティニュー・オブ・ゴッド | 四辻庄司 #pixiv https://www.pixiv.net/artworks/134794554 #黒の日 と、:unicode_1d54f_bg_black:(旧:twitter:)での素敵なご提言(https://x.com/cactasis/status/1962197990241955979)に寄せて、こちらでも褐色エジプト猫耳ロリっ娘のご来臨。
#黒の日 なので鏡黒ちゃん #鏡黒 #こどものじかん #AIイラスト #AIart #AIartwork #AI生成
#黒の日 across platforms
every network with a public tag surfaceFollow #黒の日 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/黒の日