lib/et-orbi.rb in et-orbi-1.1.2 vs lib/et-orbi.rb in et-orbi-1.1.3

@@ -7,11 +7,11 @@
 require 'et-orbi/zone_aliases'
 
 
 module EtOrbi
 
-  VERSION = '1.1.2'
+  VERSION = '1.1.3'
 
   #
   # module methods
 
   class << self
@@ -313,11 +313,12 @@
         "\nTry setting `ENV['TZ'] = 'Continent/City'` in your script " +
         "(see https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)" +
         (defined?(TZInfo::Data) ? '' : "\nand adding gem 'tzinfo-data'")
       ) unless @zone
 
-      @time = nil # cache for #to_time result
+      @time = nil
+        # cache for #to_time result
     end
 
     def seconds=(f)
 
       @time = nil
@@ -328,10 +329,27 @@
 
       @time = nil
       @zone = self.class.get_tzone(zone || :current)
     end
 
+    # Returns true if this EoTime instance corresponds to 2 different UTC
+    # times.
+    # It happens when transitioning from DST to winter time.
+    #
+    # https://www.timeanddate.com/time/change/usa/new-york?year=2018
+    #
+    def ambiguous?
+
+      @zone.local_to_utc(@zone.utc_to_local(utc))
+
+      false
+
+    rescue TZInfo::AmbiguousTime => e
+
+      true
+    end
+
     # Returns this ::EtOrbi::EoTime as a ::Time instance
     # in the current UTC timezone.
     #
     def utc
 
@@ -462,10 +480,15 @@
     def to_s
 
       strftime('%Y-%m-%d %H:%M:%S %z')
     end
 
+    def to_zs
+
+      strftime('%Y-%m-%d %H:%M:%S %/Z')
+    end
+
     def iso8601(fraction_digits=0)
 
       s = (fraction_digits || 0) > 0 ? ".%#{fraction_digits}N" : ''
       strftime("%Y-%m-%dT%H:%M:%S#{s}%:z")
     end
@@ -525,10 +548,10 @@
     # Warning: the timezone of that Time instance will be UTC when used with
     # TZInfo < 2.0.0.
     #
     def to_time
 
-      @time ||= begin; u = utc; @zone.utc_to_local(u); end
+      @time ||= @zone.utc_to_local(utc)
     end
 
     def count_weeks(dir)
 
       c = 0