Bitcoin calendar.
Halvings and network upgrades, the US releases that move markets, conferences, and the anniversaries of Bitcoin's history. Dates are in UTC.
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 2026
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19Bitcoin Core 31 |
| 20The fourth halving, 2024 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 |
Adds the dates ahead, network only, to Apple Calendar or Outlook, and keeps them up to date. In Google Calendar, use Add to Google Calendar, or download the file.
Events in April 2026
Sunday 19 April196 days ago
Bitcoin Core 31.0 rebuilds the mempool
Bitcoin Core 31.0 was released with "cluster mempool", a rebuilt system for holding unconfirmed transactions that groups related ones and ranks them by the fees miners would earn. It also added an option to send your own transactions only over Tor or I2P, hiding your IP address.
NetworkSourceBitcoin Core 31.0 release notes (published April 19, 2026)
Monday 20 April195 days ago
The fourth halving, 2024
2 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