Opening Times

General Opening Times

The Colossus and Tunny galleries are open daily.
The rest of TNMOC is open every Thursday, Saturday and Sunday afternoons from 12 noon.
There are usually Insight Guided Tours at 2pm on Tuesdays, but there are exceptions and additions to this so please check the listing below. 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 20 Oct Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 21 Oct 2pm Insight Tour, Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
We 22 Oct Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 23 Oct Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 24 Oct Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 25 Oct Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 26 Oct Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 27 Oct Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 28 Oct 2pm Insight Tour, Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
We 29 Oct Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 30 Oct Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 31 Oct Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 1 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Su 2 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Mo 3 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 4 Nov 2pm Insight Tour, Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
We 5 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 6 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Fr 7 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 8 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Su 9 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Mo 10 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 11 Nov 2pm Insight Tour, Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
We 12 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 13 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Fr 14 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 15 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Su 16 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Mo 17 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 18 Nov 2pm Insight Tour, Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
We 19 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 20 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Fr 21 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 22 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Su 23 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Mo 24 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 25 Nov 2pm Insight Tour, Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
We 26 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 27 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Fr 28 Nov Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 29 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Su 30 Nov Fully open from 12 noon, Colossus and Tunny Galleries open all day
Mo 1 Dec Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 2 Dec 2pm Insight Tour, Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
We 3 Dec Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 4 Dec Fully open from 12 noon, Colossus and Tunny Galleries open all day
Fr 5 Dec Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 6 Dec Fully open from 12 noon, Colossus and Tunny Galleries open all day
Su 7 Dec Fully open from 12 noon, Colossus and Tunny Galleries open all day