# ActiveSupport DateTime.to\_time (yesterday vs now)

**URL:** <https://www.ruby-forum.com/t/activesupport-datetime-to-time-yesterday-vs-now/166878>\
**Category:** Rails\
**Created:** [April 30, 2009, 1:36pm UTC](https://www.ruby-forum.com/t/activesupport-datetime-to-time-yesterday-vs-now/166878 "2009-04-30T13:36:18Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![robredford](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/7ea924/32.png) [@robredford](https://www.ruby-forum.com/u/robredford)\
**Post date:** [April 30, 2009, 1:36pm UTC](https://www.ruby-forum.com/t/activesupport-datetime-to-time-yesterday-vs-now/166878/1 "2009-04-30T13:36:18Z")

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What’s so strikingly different between “yesterday” and “now”?

irb(main):010:0\> require ‘activesupport’  
=\> []  
irb(main):014:0\> DateTime.yesterday.to\_time.class  
=\> Time  
irb(main):015:0\> DateTime.now.to\_time.class  
=\> DateTime