msgpack-timestamp https://sr.ht/~nabijaczleweli/msgpack_datetime https://docs.rs/msgpack-timestamp Parse/serialise MessagePack extension -1 timestamps (no_std, no integration)
All three formats described in https://github.com/msgpack/msgpack/blob/master/spec.md#timestamp-extension-type are supported for packing and unpacking (timestamp 32/64/96).
let ts = msgpack_timestamp::Timestamp { sec: 1765371205, nsec: 0 }; // 2025-12-10 12:53:25Z assert_eq!(&*msgpack_timestamp::pack(&ts), &[105, 57, 109, 69]); assert_eq!(msgpack_timestamp::unpack(&[105, 57, 109, 69]), Some(ts));
https://crates.io/crates/msgpack-timestamp [dependencies] msgpack-timestamp = "0.1"
Reproduce test data with: apt install libmsgpack-cxx-dev make ./testdata [dir]
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