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Bitcoin calendar.

Halvings and network upgrades, the US releases that move markets, conferences, and the anniversaries of Bitcoin's history. Dates are in UTC.

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BTC Balkans

ConferencesSunday 1 November

A two-day, community-run Bitcoin conference for the Balkans, with keynotes, panels and workshops.

May 2027

This month
May 2027, dates in UTC
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Events in May 2027

Thursday 6 MayIn 186 days

Friday 7 MayIn 187 days

  • US jobs report

    The US Bureau of Labor Statistics publishes the jobs report (the Employment Situation) for April 2027, with the number of jobs added and the unemployment rate.

    Markets · 12:30 UTCSourceBLS schedule of Employment Situation releases

Sunday 9 MayIn 189 days

  • Terra's UST stablecoin collapses, 2022

    5 years ago. TerraUSD (UST), a stablecoin meant to stay worth $1, lost its peg and collapsed within days, and its sister token LUNA fell to almost zero. UST relied on an algorithm linked to LUNA to hold its value, rather than reserves of cash or bonds.

    MarketsSourceCoinDesk, UST Stablecoin Loses Dollar Peg for Second Time in 48 Hours (9 May 2022)

Tuesday 11 MayIn 191 days

  • The third halving, 2020

    7 years ago. At block 630,000 the reward for mining a block fell from 12.5 to 6.25 bitcoin, the third halving.

    NetworkSee block 630,000SourceBitcoin Core source, nSubsidyHalvingInterval = 210000

Wednesday 12 MayIn 192 days

  • US inflation report (CPI)

    The US Bureau of Labor Statistics publishes the consumer price index (CPI) for April 2027, which measures US inflation.

    Markets · 12:30 UTCSourceBLS schedule of CPI releases

Wednesday 19 MayIn 199 days

  • Fed meeting minutes

    The Federal Reserve publishes the minutes of its 27–28 April meeting, which show how its policymakers discussed the interest-rate decision. The date follows the Fed's rule of three weeks after the decision; it lists the exact day nearer the time.

    Markets · 18:00 UTCSourceFederal Reserve FOMC calendar ("The minutes of regularly scheduled meetings are released three weeks after the date of the policy decision")

Friday 21 MayIn 201 days

  • Bitcoin Ireland

    A three-day Bitcoin conference with talks and workshops, run by the Bitcoin Ireland community group.

    Conferences · Until 23 May · Dublin, IrelandSourceBitcoin Ireland (organiser)Venue and dates

Saturday 22 MayIn 202 days

Thursday 27 MayIn 207 days

  • US inflation report (PCE)

    The US Bureau of Economic Analysis publishes personal income and spending for April 2027, including the PCE price index, the inflation measure behind the Federal Reserve's 2% goal.

    Markets · 12:30 UTCSourceBEA release schedule ("Personal Income and Outlays"), 2027

Friday 28 MayIn 208 days

  • Adopting Bitcoin Arnhem

    A conference in the Adopting Bitcoin series; its organisers expect to name the venue in December 2026.

    Conferences · Until 29 May · Arnhem, NetherlandsSourceAdopting Bitcoin Arnhem (organiser)Venue and dates

  • Monthly bitcoin options expiry

    Deribit's monthly bitcoin options and futures expire, settled at the average of its bitcoin price index from 07:30 to 08:00 UTC.

    Markets · 08:00 UTCSourceDeribit, Contract Introduction Policy ("Monthly options expire on the last Friday of each calendar month at 08:00 UTC")

Monday 31 MayIn 211 days

  • UK crypto firms' first CARF reports due

    UK cryptoasset service providers, such as exchanges, must send HMRC their first reports on users' 2026 transactions by this date under the Cryptoasset Reporting Framework (CARF), an international standard for sharing crypto tax information.

    PolicySourceHMRC: Reporting cryptoasset user and transaction data