Measure for measure Crossword

How many days in the year
When did the world switch to use the atomic clock
What month has 29 days
When it is noon in London what time is it in Bristol
How many days in a leap year
What month added another day
Who introduced a 4 day week
What were the astronomers building
How are horses measured
How many inches in a foot
What is standard time in Britain
Every 11 miles how much does the time vary
Who named a month after his name
Everyone owned a time peace by which century
What year had the most accurate public clock
How many days make up an Egyptian week
How many days in a Inca week
What means Fat Tuesday
What does 36 inches measure
How much is 20 cwt