Ruby/Rails: converting a Date to a UNIX timestamp

How would I get a UNIX timestamp (number of seconds since 1970 GMT) from a Date object in a Rails app? I know Time#to_i returns a timestamp, but doing Date#to_time and then getting the timestamp results in something that's off by about a month (not sure why...). Any help is appreciated, thanks! Edit: OK, I think I figured it out- I was processing a date several times in a loop, and each time the d

[nacika_inscatolare]

“>> Date.new(2009,11,26).to_time => Thu Nov 26 00:00:00 -0800 2009 >> Date.new(2009,11,26).to_time.to_i => 1259222400 >> Time.at(1259222400) => Thu Nov 26 00:00:00 -0800 2009”

[As_hsp]

“>> Date.new(2009,11,26).to_time => Thu Nov 26 00:00:00 -0800 2009 >> Date.new(2009,11,26).to_time.to_i => 1259222400 >> Time.at(1259222400) => Thu Nov 26 00:00:00 -0800 2009”