Sprache

Contact and Opening Hours

The opening hours and contact details of the three OST campuses in Buchs, Rapperswil-Jona and St.Gallen are listed below. 

Holidays / Campus Closure

On these days, all three OST campuses are closed:

  • Good Friday / Easter: April 3 – April 6, 2026
  • Ascension Day: May 14 – 16, 2026
  • Pentecost: May 23 – 25, 2026
  • Summer Break: July 11 - August 2, 2026
  • All Saints' Day: November 1, 2026
  • Christmas / New Year's Eve / New Year: December 24, 2026 – January 2, 2027

Building access for students with a CampusCard: Daily from 5:00 a.m. to 11:59 p.m.

Contact OST

Eastern Switzerland University of Applied Sciences (OST)

info@ost.ch

Opening Hours

Campus Buchs

All additional opening hours:

Reception and Telephone Service
  • Monday–Friday:
    7:30 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 8:00 a.m.–4:00 p.m.
  • Saturday: Closed

Closed from 11 July 2026–2 August 2026

Reception and Telephone Service
  • Monday–Friday: 8:00 a.m.–12:00 p.m.
  • Saturday: Closed
Building Opening Hours
  • The Building stays closed from 11 July –2 August 2026
Reception and Telephone Service
  • Monday–Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–4:00 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 8:00 a.m.–4:00 p.m.
  • Saturday: Closed
Reception and Telephone Service
  • Monday–Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–4:00 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 7:00 a.m.–6:00 p.m.
  • Saturday: Closed
Reception and Telephone Service Closed from:
  • 24 December 2026 from 2:00 p.m.–3 January 2027
Building Closed from:
  • 24 December 2026 from 2:00 p.m.–3 January 2027

Campus Rapperswil-Jona

All additional opening hours:

Reception and Telephone Service
  • Monday–Friday: 7:45 a.m.–5:00 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 6:00 a.m.–6:30 p.m.
  • Saturday: Closed

The Building will be closed from 11 July–2 August 2026.

Reception
  • Monday–Friday: 8:00 a.m.–12:30 p.m.
  • Saturday: Closed
Telephone Service
  • Monday–Friday:
    8:00 a.m.–12:30 p.m. | 2.30 p.m.–4.00 p.m.
  • Saturday: Closed
Building Opening Hours

Closed from 11 July 2026–2 August 2026

Reception and Telephone Service
  • Monday–Friday: 7:45 a.m.–5:00 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 8:00 a.m.–4:00p.m.
  • Saturday: Closed
Empfang und Telefonzentrale
  • Montag – Freitag: 7.45 – 5.00 Uhr
  • Samstag: geschlossen
Öffnungszeiten der Gebäude
  • Montag – Freitag: 6.00 – 6.30 Uhr
  • Samstag: geschlossen
Reception and Telephone Service closed from:
  • 24 December 2026, 2:00 p.m.–3 January 2027
Building Closed from:
  • 24 December 2026, 2:00 p.m.–3 January 2027

Campus St.Gallen

All additional opening hours:

Reception and Telephone Service
  • Monday–Friday:
    8:00 a.m.–12:00 p.m.|1:00 p.m.–5:30 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 8:00 a.m.–5:30 p.m.
  • Saturday: Closed
Reception and Telephone Service
  • Monday–Friday: 7:15 a.m.–5:30 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 7:15 a.m.–5:30 p.m.
  • Saturday: Closed
Reception and Telephone Service
  • Monday–Friday:
    8:00 a.m.–12:00 p.m.|1:00 p.m.–5:30 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 8:00 a.m.–5:30 p.m.
  • Saturday: Closed
Reception and Telephone Service
  • Monday–Friday: 7:15 a.m.–5:30 p.m.
  • Saturday: 7:30 a.m.–1:00 p.m.
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
    Saturday: Closed
Building Opening Hours
  • Monday–Friday: 7:15 a.m.–8:00 p.m.
  • Saturday: 7:30 a.m.–4:00 p.m.
Reception and Telephone Service
  • Monday–Friday:
    8:00 a.m.–12:00 p.m.|1:00 p.m.–5:30 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 8:00 a.m.–5:30 p.m.
  • Saturday: Closed
Reception and Telephone Service
  • Monday–Friday: 7:15 a.m.–5:30 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 7:15 a.m.–5:30 p.m.
  • Saturday: Closed
Reception and Telephone Service
  • Monday–Friday: 8:00 a.m.–12:00 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Saturday: Closed
Reception and Telephone Service Campus Lerchenfeld
  • Monday–Saturday: Closed
Building Opening Hours
  • Monday–Saturday: Closed
Reception and Telephone Service
  • Monday–Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Saturday: Closed
Reception and Telephone Service Campus Lerchenfeld
  • Monday–Saturday: Closed
Building Opening Hours
  • Monday–Saturday: Closed
Reception and Telephone Service
  • Monday–Friday:
    8:00 a.m.–12:00 p.m.|1:00 p.m.–5:30 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday: 
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 8:00 a.m.–5:30 p.m.
  • Saturday: Closed
Reception and Telephone Service
  • Monday–Friday: 7:15 a.m.–5:30 p.m.
  • Saturday: Closed
Student Administration Counter 4th Floor
  • Monday–Thursday:
    10:00 a.m.–12:00 p.m.|1:30 p.m.–5:00 p.m.
  • Friday: 10:00 a.m.–12:00 p.m.
Reception and Telephone Service Campus Lerchenfeld
  • Monday and Friday:
    8:00 a.m.–12:15 p.m.|1:15 p.m.–5:00 p.m.
  • Tuesday: 8:00 a.m.–12:15 p.m.
  • Saturday: Closed
Building Opening Hours
  • Monday–Friday: 7:15 a.m.–5:30 p.m.
  • Saturday: Closed
Reception closed from:
  • 24 December 2026 – 3 January 2027
Telephone Service closed from:
  • 24 December 2026 from 2:00 p.m.–3 January 2027
Building closed from:
  • 24 December 2026 from 2:00 p.m.–3 January 2027

Contact and Addresses

Buchs

Eastern Switzerland University of Applied Sciences (OST)
Werdenbergstrasse 4
9471 Buchs SG, Switzerland
 

+41 58 257 33 11
empfang-bu@ost.ch

Rapperswil-Jona

Eastern Switzerland University of Applied Sciences (OST)
Oberseestrasse 10
Postfach 1475
8640 Rapperswil, Switzerland

+41 58 257 41 11
empfang-rj@ost.ch

St.Gallen

Eastern Switzerland University of Applied Sciences (OST)
Rosenbergstrasse 59, Postfach
9001 St.Gallen, Switzerland
 

+41 58 257 14 00
empfang-sg@ost.ch