I need help in combining 2 elements in an array together

here i am using css selectors and getting values from a web site,the values which mapped into an array.I need to merge the first element and second element together similarly I need to map the third and fourth elements

this is how the result come:

[ 'Mon',
  ' 7:30 AM to 11 PM',
  ' Tue',
  ' 7:30 AM to 11 PM',
  ' Wed',
  ' 7:30 AM to 11 PM',
  ' Thu',
  ' 7:30 AM to 11 PM',
  ' Fri',
  ' 7:30 AM to 11 PM',
  ' Sat',
  ' 7:30 AM to 11 PM',
  ' Sun',
  ' 7:30 AM to 11 PM']

here i need to merge the day and timing into a single array element