dvogt23

module TimeHelper
  def quarter_hour_range(timestamp)
    array = timestamp.to_a

    # 1-4th qurater of a hour
    quarter = ((array[1] % 60) / 15.0).ceil - 1
    # 0/15/30/45 start of a quarter
    start_minute = (quarter * 15) % 60
    end_minute = (start_minute + 15) % 60

dvogt23

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