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Switching Summer Time and standard time
Summer Time is a system adopted in some countries/areas to gain an extra hour of daylight
during summer by advancing clocks by one hour.
• The summer time rules may change depending on the country or area.
While the summer time is in effect, some time signals include the summer time check signal.
By receiving the time signal, the watch automatically switches between Summer Time and
standard time in accordance with the summer time check signal (automatic switching
function).
• Before and after the summer time season, confirm the watch shows Summer Time or
standard time correctly.