export interface DateFromUnixTimeC extends t.Type<Date, number, unknown> {}

export const DateFromUnixTime: DateFromUnixTimeC = ...

import { DateFromUnixTime } from 'io-ts-types/lib/DateFromUnixTime'
import { right } from 'fp-ts/lib/Either'

const date = new Date(1973, 10, 30)
const input = date.getTime() / 1000
assert.deepStrictEqual(DateFromUnixTime.decode(input), right(date))