Yamaha CS-700 Operation Manual page 32

In the Time Settings section the date format used can be selected. Date can be
set as MM/DD/YYYY, DD/MM/YYYY, or YYYY/MM/DD. The time display can
be changed between 24 hour format and 12 hour format. Factory default is
MM/DD/YYYY and 12 hour format.
The CS-700 supports up to 4 network time servers to provide NTP time
information. These can be local servers or network servers.
Region: Daylight Savings Settings
Daylight Savings settings allow to enable or disable Daylight Savings time. If
enabled, rules for the start date and time as well as the end date and time need
to be provided. Factory default US daylight savings time is enabled and
configured.
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