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The Calendar — API status & change history

Public holidays for US states and 30 countries plus sports and finance calendars as static JSON

Last checked 2026-09-18 00:22 UTC — HTTP 200, 1008 ms. Availability over 30 days of data: 100.00%.

314 ms · 2026-08-01 02:16 UTC524 ms · 2026-08-03 04:32 UTC377 ms · 2026-08-04 08:43 UTC221 ms · 2026-08-05 23:06 UTC351 ms · 2026-08-07 18:34 UTC374 ms · 2026-08-10 16:50 UTC359 ms · 2026-08-12 01:44 UTC389 ms · 2026-08-13 02:49 UTC396 ms · 2026-08-14 03:05 UTC343 ms · 2026-08-15 07:01 UTC138 ms · 2026-08-17 17:11 UTC137 ms · 2026-08-18 17:26 UTC617 ms · 2026-08-19 19:57 UTC51 ms · 2026-08-20 23:33 UTC287 ms · 2026-08-22 06:32 UTC128 ms · 2026-08-23 08:14 UTC265 ms · 2026-08-24 18:29 UTC290 ms · 2026-08-25 18:38 UTC258 ms · 2026-08-27 01:20 UTC957 ms · 2026-08-28 13:08 UTC1107 ms · 2026-08-31 16:10 UTC1509 ms · 2026-09-02 00:17 UTC374 ms · 2026-09-03 04:31 UTC466 ms · 2026-09-06 00:09 UTC397 ms · 2026-09-07 07:04 UTC374 ms · 2026-09-09 02:11 UTC404 ms · 2026-09-12 01:15 UTC1219 ms · 2026-09-14 00:01 UTC1077 ms · 2026-09-15 03:19 UTC1008 ms · 2026-09-18 00:22 UTC
latency · last 30 checks

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Shape history

2 confirmed · 3 signals on record. A change confirms after it survives three consecutive polls.

Related

Calendar APIs · caldays · Checkiday - National Holiday · Google Calendar · Latest graveyard