Casio 2981 User Manual page 56

• When setting the hour, make sure you specify AM (no indicator)
or PM (P) correctly, or that you specify the correct 24-hour time.
• You can set a date in the range of January 1, 2000 to
December 31, 2099.
• The day of the week is set automatically in accordance with the
date you set.
• The watch makes adjustments for leap years and month lengths
automatically.
• Summer time, or Daylight Saving Time (DST) as is it is called in
some countries, calls for setting clocks ahead one hour during
the summer season. Note that the use of summer time depends
on the country and even the local area.
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