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

Easter Bytes from 10-21 April 2014 - open every afternoon!

Thanks to the efforts of the Museum volunteers, the Museum may also be open at other times, so keep an eye below for updates.

TNMOC Opening Times over the next few weeks

Date What's Open
Mo 14 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Tu 15 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
We 16 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Th 17 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 18 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Sa 19 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 20 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 21 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Tu 22 Apr Guided Tour 2.00pm, Colossus and Tunny Galleries open
We 23 Apr Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 24 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 25 Apr Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 26 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 27 Apr Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 28 Apr Colossus and Tunny Galleries open, rest of TNMOC by appointment only
Tu 29 Apr Guided Tour 2.00pm, Colossus and Tunny Galleries open
We 30 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 1 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 2 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 3 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 4 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 5 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Tu 6 May Guided Tour 2.00pm, Colossus and Tunny Galleries open
We 7 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 8 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 9 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 10 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 11 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 12 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 13 May Guided Tour 2.00pm, Colossus and Tunny Galleries open
We 14 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 15 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 16 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 17 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 18 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 19 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 20 May Guided Tour 2.00pm, Colossus and Tunny Galleries open
We 21 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 22 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 23 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 24 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 25 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 26 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Tu 27 May Guided Tour 2.00pm, Colossus and Tunny Galleries open
We 28 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 29 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 30 May Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 31 May Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 1 Jun Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Mo 2 Jun Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Tu 3 Jun Guided Tour 2.00pm, Colossus and Tunny Galleries open
We 4 Jun Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Th 5 Jun Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Fr 6 Jun Colossus and Tunny Galleries open all day, rest of TNMOC by appointment only
Sa 7 Jun Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day
Su 8 Jun Fully open 12 noon - 5pm, Colossus and Tunny Galleries open all day