Module: Philiprehberger::CronKit::Timezone

Defined in:
lib/philiprehberger/cron_kit/timezone.rb

Overview

Converts timezone identifiers to UTC offsets using only stdlib.

Supports: “UTC”, fixed offsets (“+05:00”, “-04:00”), and common POSIX timezone names (e.g., “US/Eastern”, “Europe/London”) via ENV.

Class Method Summary collapse

Class Method Details

.apply(time, offset_seconds) ⇒ Object

Convert a Time to the equivalent moment in the given timezone offset (seconds).



18
19
20
 
# File 'lib/philiprehberger/cron_kit/timezone.rb', line 18

def self.apply(time, offset_seconds)
  Time.new(time.year, time.month, time.day, time.hour, time.min, time.sec, offset_seconds)
end

.utc_offset_for(timezone) ⇒ Object

Resolve a timezone identifier to a UTC offset in seconds.



11
12
13
14
15
 
# File 'lib/philiprehberger/cron_kit/timezone.rb', line 11

def self.utc_offset_for(timezone)
  return nil if timezone.nil?

  try_utc(timezone) || try_numeric_offset(timezone) || probe_offset(timezone)
end