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lib/time_utils.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module TimeUtils
+  module_function
+
+  def timezone_abbr(timezone, time = Time.current)
+    tz_info = TZInfo::Timezone.get(
+      ActiveSupport::TimeZone::MAPPING[timezone] || timezone || 'UTC'
+    )
+
+    tz_info.abbreviation(time)
+  end
+end