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===Warning when Daylight Saving Time starts or ends===
Note that Cumulus uses current time, read from the computer, to determine which array element it stores each value in.
Hence ''when clocks go back'' the value stored for winter time overwrites the value previously stored for same time during summer time for the relevant repeating hour.
Hence even if you use 10am for your rollover time in summer, you will not have access to a whole hour worth of data when the clocks change
* as either the hour has been overwritten or
* ''when the clocks go forward'' one hour in the array simply does not exist.
=== Table of Recent History web tags available ===
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