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https://stackoverflow.com/questions/6936203/how-to-add-minutes-to-a-time-object
So without any Ruby on Rails sugar, you can simply do: irb> t = Time.now #=> 2011-08-03 22:35:01 -0600 irb> t2 = t + 10 # 10 Seconds #=> 2011-08-03 22:35:11 -0600 irb> t3 = t + 10*60 # 10 minutes #=> 2011-08-03 22:45:01 -0600 irb> t4 = t + 10*60*60 # 10 hours #=> 2011-08-04 08:35:01 -0600. Share. Improve this answer.
https://www.rubyguides.com/2015/12/ruby-time/
If you want the time zone offset you can use the utc_offset method. The output for this method is in seconds, but you can divide by 3600 to get it in hours. Example: t = Time.now t.zone # "CET" t.utc_offset / 3600 # 1 You can also get the current time in UTC: Time.now.utc Ruby Time Formatting. Ruby formats Time objects in a specific way by default.
https://www.tutorialspoint.com/ruby/ruby_date_time.htm
https://stackoverflow.com/questions/6327396/set-time-part-of-datetime-in-ruby
Warning: DateTime.now.midnight and DateTime.now.beginning_of_day return the same value (which is the zero hour of the current day - midnight does not return 24:00:00 as you would expect from its name).. So I am adding this as further info for anyone who might use the accepted answer to calculate midnight x days in the future. For example, a 14 day free trial that …
https://codereview.stackexchange.com/questions/47456/adding-time-offsets-to-create-future-dates
You can add seconds directly to a Time object, so you could do: now = Time.now.utc starts = now + 3600 # Add 1 hour's worth of seconds (60 * 60) ends = now + 7200 # Add 2 hours and then do the strftime-formatting. Of course, since you need to do this twice, I'd suggest adding a method to avoid the repetition, i.e.:
http://ruby-doc.org/core/Time.html
static VALUE time_inspect(VALUE time) { struct time_object *tobj; VALUE str, subsec; GetTimeval(time, tobj); str = strftimev("%Y-%m-%d %H:%M:%S", time, rb_usascii_encoding()); subsec = w2v(wmod(tobj->timew, WINT2FIXWV(TIME_SCALE))); if (FIXNUM_P(subsec) && FIX2LONG(subsec) == 0) { } else if (FIXNUM_P(subsec) && FIX2LONG(subsec) < TIME_SCALE) …
https://api.rubyonrails.org/classes/DateTime.html
You can add your own to the Time::DATE_FORMATS hash. Use the format name as the hash key and either a strftime string or Proc instance that takes a time or datetime argument as the value. # config/initializers/time_formats.rb Time::DATE_FORMATS[:month_and_year] = '%B %Y' Time::DATE_FORMATS[:short_ordinal] = lambda { |time| time.strftime("%B …
https://blog.udemy.com/ruby-datetime/
You can ask Ruby to retrieve current system date and time and print it for you: #!/usr/bin/ruby -w time = Time.new puts "Current Time : " + time.inspect. This gives the following output: Current Time: Tue Dec 24 7:50:00 -0700 2013. Explanation: Here we have declared “time” as an object of the “Time.new” class which is already defined in the system. We are asking Ruby to display the …
https://ruby-doc.org/stdlib-2.6.1/libdoc/date/rdoc/DateTime.html
Since Ruby’s Time class implements a proleptic Gregorian calendar and has no concept of calendar reform there’s no way to express this with Time objects. This is where DateTime steps in: shakespeare = DateTime. iso8601 ( '1616-04-23', Date::ENGLAND ) #=> Tue, 23 Apr 1616 00:00:00 +0000 cervantes = DateTime. iso8601 ( '1616-04-23', Date ...
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