# Glamsterdam nears the finish line: Ethereum sets Oct. 6 Sepolia date for its next hard fork

The first public trial of Ethereum's upcoming hard fork is now on the calendar. Glamsterdam is due to fork the Sepolia testnet on Oct. 6, 2026. Developers expect mainnet in the fourth quarter of 2026, although no official date has been set.That difference is important. Setting a testnet date shows t

| Fact | Value |
| --- | --- |
| Published | 29 September 2026 |

Source: https://egamers.io/glamsterdam-nears-the-finish-line-ethereum-sets-oct-6-sepolia-date-for-its-next-hard-fork/