ActiveSupport JSON #time_precision attribute time_precision Ruby on Rails 8.1.3.1 Since v8.1.3.1 Last seen in v8.1.3.1 Sets the precision of encoded time values. Defaults to 3 (equivalent to millisecond precision) On this page Support Bug Reports can be filed for the Ruby on Rails project on GitHub. Feature requests should be discussed on the rubyonrails-core forum. License Released under the MIT license.