Across one uninterrupted weekend, Tresor opens all channels, including OHM, for a 30+ hour marathon stretching from Friday through to Sunday. More details to surface shortly. Friday, March 13: Access to Tresor 22:00 - 12:00 Saturday, March 14: Access to OHM: 11:00 - 20:00 Access to Tresor: 19:00 - 13:00 *There will be no presale tickets available for OHM's day event. OHM Tickets can only be purchase in combination with a Tresor pass. Tresor: Building bridges since 1991.