Ruby | Time utc function Last Updated : 06 Jan, 2020 Comments Improve Suggest changes Like Article Like Report Time#utc() : utc() is a Time class method which returns the conversion of time to UTC (GMT), modifying the receiver. Syntax: Time.utc() Parameter: Time values Return: the conversion of time to UTC (GMT), modifying the receiver. Example #1 : Ruby # Ruby code for Time.utc() method # loading library require 'time' # declaring time a = Time.new(2019) # declaring time b = Time.new(2019, 10) # declaring time c = Time.new(2019, 12, 31) # Time puts "Time a : #{a}\n\n" puts "Time b : #{b}\n\n" puts "Time c : #{c}\n\n\n\n" # utc form puts "Time a utc form : #{a.utc}\n\n" puts "Time b utc form : #{b.utc}\n\n" puts "Time c utc form : #{c.utc}\n\n" Output : Time a : 2019-01-01 00:00:00 +0000 Time b : 2019-10-01 00:00:00 +0000 Time c : 2019-12-31 00:00:00 +0000 Time a utc form : 2019-01-01 00:00:00 UTC Time b utc form : 2019-10-01 00:00:00 UTC Time c utc form : 2019-12-31 00:00:00 UTC Example #2 : Ruby # Ruby code for Time.utc() method # loading library require 'time' # declaring time a = Time.now # declaring time b = Time.new(1000, 10, 10) # declaring time c = Time.new(2020, 12) # Time puts "Time a : #{a}\n\n" puts "Time b : #{b}\n\n" puts "Time c : #{c}\n\n\n\n" # utc form puts "Time a utc form : #{a.utc}\n\n" puts "Time b utc form : #{b.utc}\n\n" puts "Time c utc form : #{c.utc}\n\n" Output : Time a : 2019-08-27 09:21:54 +0000 Time b : 1000-10-10 00:00:00 +0000 Time c : 2020-12-01 00:00:00 +0000 Time a utc form : 2019-08-27 09:21:54 UTC Time b utc form : 1000-10-10 00:00:00 UTC Time c utc form : 2020-12-01 00:00:00 UTC Comment More infoAdvertise with us Next Article Ruby | Time utc function M mayank5326 Follow Improve Article Tags : Ruby Ruby-Methods Ruby Time-class Similar Reads Ruby | Time utc? function Time#utc?() : utc?() is a Time class method which checks whether the time is a conversion to UTC (GMT), modifying the receiver. Syntax: Time.utc?() Parameter: Time values Return: true - if there is a time conversion to UTC (GMT), modifying the receiver Otherwise return false. Example #1 : Ruby # Rub 2 min read Ruby | Time usec function Time#usec() is a Time class method which returns the number of microseconds for time. Syntax: Time.usec() Parameter: Time values Return: the number of microseconds for time. Example #1 : Ruby # Ruby code for Time.usec() method # loading library require 'time' # declaring time a = Time.new(2019) # de 2 min read Ruby | Time - function Time#-() is a Time class method which returns a new time value after subtracting seconds from it. Syntax: Time.-() Parameter: Time values Return: new time value after subtracting seconds from it. Example #1 : Ruby # Ruby code for Time.-() method # declaring time a = Time.new(2019) # declaring time b 2 min read Ruby | Time + function Time#+() is a Time class method which returns a new time value after adding seconds to it. Syntax: Time.+() Parameter: Time values Return: new time value after adding seconds to it Example #1 : Ruby # Ruby code for Time.+() method # declaring time a = Time.new(2019) # declaring time b = Time.new(201 2 min read Ruby | Time to_r function Time#to_r() : to_r() is a Time class method which returns the value of time as a rational number of seconds since the Epoch. Syntax: Time.to_r() Parameter: Time values Return: the value of time as a rational number of seconds since the Epoch. Example #1 : Ruby # Ruby code for Time.to_r() method # lo 2 min read Like