红宝石 |时间UTC函数

Time#utc() : utc()是一个 Time 类方法，它返回时间到 UTC (GMT) 的转换，修改接收器。

Syntax: Time.utc()

Parameter: Time values

Return: the conversion of time to UTC (GMT), modifying the receiver.

示例 #1：

# 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"

输出 ：

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

示例 #2：

# 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"

输出 ：

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