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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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In 11 days

Difficulty adjustment

NetworkThursday 12 November (estimate)

At block 975,744, mining is expected to get about 0.1% harder, so blocks keep arriving about every 10 minutes.

April 2027

April 2027, dates in UTC
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Events in April 2027

Tuesday 20 AprilIn 170 days

  • The fourth halving, 2024

    3 years ago. At block 840,000 the reward for mining a block fell from 6.25 to 3.125 bitcoin, the fourth halving.

    NetworkSee block 840,000SourceBitcoin Core source, nSubsidyHalvingInterval = 210000

Tuesday 27 AprilIn 177 days

  • Block 1,000,000

    Bitcoin's millionth block. Nothing changes in how Bitcoin works; it's a round number.

    Network · EstimateBlock 1,000,000SourceWorked out from recent block times on mempool.space