What's the most efficient way get the first day of the current month?

Question

With ruby I\'m trying to get format a date as such: 2009-10-01

Where I take the current date (2009-10-26) and then change the day to \"01\".

I know of ways to do

Answer 1

Most efficient to get start and end date of current month

@date = DateTime.now   
@date.beginning_of_month
@date.end_of_month