net/http.response.dateBuf (field) 2 uses net/http (current package) server.go#L476: dateBuf [len(TimeFormat)]byte server.go#L1418: setHeader.date = appendTime(cw.res.dateBuf[:0], time.Now())
The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)