Opening Times

The Colossus and Tunny Galleries are open daily from 10.30am to 5pm. The full museum is open every Thursday, Saturday and Sunday afternoons from 12 noon to 5pm. There are frequent Insight Guided Tours at 10.30am and 2pm, see below for details. Booking required for Insight Guided Tours.
Every week day, the Museum usually has educational group and/or corporate group visits.
If you are coming to TNMOC only, there is no need to pay the Bletchley Park Trust entrance fee.

Additional Opening Times

Thanks to the efforts of the TNMOC volunteers, the Museum may also be open at other times - watch for updates below.

TNMOC Opening Times over the next few weeks

Date What's Open
Mo 8 Feb Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Tu 9 Feb Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 2pm, rest of Museum by appt
We 10 Feb Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Th 11 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 12 Feb Colossus & Tunny Galleries open 10.30am - 5pm, rest of Museum by appt
Sa 13 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm
Su 14 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm
Mo 15 Feb Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Tu 16 Feb Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 2pm, rest of Museum by appt
We 17 Feb Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Th 18 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 19 Feb Colossus & Tunny Galleries open 10.30am - 5pm, rest of Museum by appt
Sa 20 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm
Su 21 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm
Mo 22 Feb Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Tu 23 Feb Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 2pm, rest of Museum by appt
We 24 Feb Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Th 25 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 26 Feb Colossus & Tunny Galleries open 10.30am - 5pm, rest of Museum by appt
Sa 27 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm
Su 28 Feb Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm
Mo 29 Feb Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Tu 01 Mar Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 2pm, rest of Museum by appt
We 02 Mar Colossus and Tunny Galleries open 10.30am - 5pm, rest of Museum by appointment only
Th 03 Mar Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm, Guided Tour 10.30am
Fr 04 Mar Colossus & Tunny Galleries open 10.30am - 5pm, rest of Museum by appt
Sa 05 Mar Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm
Su 06 Mar Fully open 12 noon - 5pm, Colossus & Tunny Galleries open 10.30am - 5pm