Expedition 33 (the International Space Station mission) lasted 127 days in total, a little over 4 months.

Quick timeline

  • Start of Expedition 33: 16 September 2012, when the previous Soyuz (TMA‑04M) undocked from the ISS.
  • End of Expedition 33: 18 November 2012, when command transferred to Expedition 34.
  • Mission duration: 127 days for the Expedition 33 crew, which matches NASA fact‑sheet data.

So if you’re wondering how long is Expedition 33 , in canonical ISS terms it’s a 127‑day long‑duration mission spanning mid‑September to mid‑November 2012.

Information gathered from public forums or data available on the internet and portrayed here.