Conversation so far:
when did the last lyons corner house close
Lyons' Corner Houses first appeared in 1909 and remained until 1977.
Where were Lyons' Corner Houses located?
Lyons' Corner Houses were on or near the corners of Coventry Street, Strand and Tottenham Court Road.
what purpose did lyons' corner houses serve
The ground floor of Lyons' Corner Houses was a food hall with counters for delicatessen, sweets and chocolates, cakes, fruit, flowers and other products.
what other goods or services did lyons' corner houses have besides a food hall with counters for delicatessen, sweets, and chocolates, cakes, fruit, and flowers
Lyons' Corner Houses possessed hairdressing salons, telephone booths, theatre booking agencies and several restaurants, each with a different theme and all with their own musicians.

Question: what were the operating hours of the houses
Self-contained rewrite: where were the operating hours of lyons' corner houses