Pastable version of Split DateTime Range Around Midnights

<pre class='prettyprint' language='cs'>public static class MidnightPartitioner
    {
        public struct SchedulePartition
        {
            public DateTime Start { get; set; }
            public DateTime End { get; set; }
        }
        
        /// &lt;summary&gt;
        /// Splits a starting and ending DateTime range into
        /// SchedulePartition objects. Each SchedulePartition
        /// represents a span of time spent in a specific date.
        /// &lt;/summary&gt;
        /// &lt;param name=&quot;scheduleStart&quot;&gt;&lt;/param&gt;
        /// &lt;param name=&quot;scheduleEnd&quot;&gt;&lt;/param&gt;
        /// &lt;returns&gt;&lt;/returns&gt;
        public static IEnumerable&lt;SchedulePartition&gt; Break(DateTime scheduleStart, DateTime scheduleEnd)
        {
            List&lt;SchedulePartition&gt; dayBlocks = new List&lt;SchedulePartition&gt;();
            if (scheduleStart &lt;= scheduleEnd)
            {
                DateTime tomorrow = scheduleStart.Date.AddDays(1);      // Determine when tomorrow is.
                if (tomorrow &lt; scheduleEnd) /* Schedule ends after tomorrow */
                {
                    // Calculates the time spent spent in the scheduleStart date.
                    TimeSpan timeSpentInScheduleStartDate = tomorrow.Subtract(scheduleStart);
                    // Calculates the time spent in the day after the schedule start date
                    TimeSpan timeSpentInDayAfterScheudleStart = scheduleEnd.Subtract(tomorrow);
                    dayBlocks.Add(
                        new SchedulePartition { Start = scheduleStart, End = scheduleStart.Add(timeSpentInScheduleStartDate) }
                        );
                    if (timeSpentInDayAfterScheudleStart.TotalDays &gt; 1)
                    {
                        dayBlocks.AddRange(
                            Break(tomorrow, scheduleEnd)
                            );
                    }
                    else
                    {
                        dayBlocks.Add(
                            new SchedulePartition { Start = tomorrow, End = tomorrow.Add(timeSpentInDayAfterScheudleStart) }
                            );
                    }
                }
                else
                {
                    /* Schedule ends before tomorrow. Cannot be partitioned around midnight.
                     * Return the uncut schedule as a SchedulePartition */
                    return new[]
                    {
                        new SchedulePartition
                        {
                            Start = scheduleStart,
                            End = scheduleEnd
                        }
                    };
                }
            }
            else
                throw new ArgumentException(&quot;Chronological error with scheduleStart and scheduleEnd arguments&quot;);
            return dayBlocks;
        }
    }</pre>
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Pastable version of Split DateTime Range Around Midnights