Sortable Date & Time
⟨time-stamp⟩ ⩴ ⟨year⟩ ⟨month⟩ ⟨month-day⟩ ⟨week-day⟩ ⟨hour⟩ ⟨minute⟩ ⟨second⟩ ⟨time-zone⟩