A basic timing application you can use from the command line

Get the next or previous datetime along the rules that are given in a crontab-like format or other options.

Gem for working with timed, ordered items.

This gem provides precise time distance between dates

Gem for creating time distribution management systems

Thread-safe LRU implementation with (optional) TTL and constant time operations

Client for TimeDoctor API

A timed counter based on redis hashes

Localized durations

This module provides functions for expressing durations

A Ruby gem for converting seconds into human-readable format (12345 => "3 hours, 25 minutes and 45 seconds").

Adds elapsed time functionality to rubys time

Extends the abilities of Ruby's built-in Time class by building on top of ActiveSupport.

A simple gem for extension the Ruby class `DateTime`

时间格式化

In Rails DB only Time can not be saved so using this gem get the solution.

A Ruby class for describing and interacting with timeframes.

Formats seconds to readable time format i.e. 8h05m and vice versa

Helper to parse strings to time objects in various formats

Simple library to handle ISO8601 time intervals.