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* Cities where time calibration signal reception
is possible.
** In May 2018, the offset for PYONGYANG
was changed to +9. However, this watch does
not reflect that change. Because of this,
selecting PYONGYANG will set an offset of
+8.5.
The information in the above table is current
●
as of January 2023.
Time zones may change and UTC
●
differentials may become different from
those shown in the table above. If this
happens, connect the watch with a phone
to update the watch with the latest time zone
information.
Summer Time Table
When [AUTO] is selected for a city that
observes summer time, switching between
standard time and summer time will be
performed automatically at the timing shown
in the table below.
Note
Summer time start and end dates for
●
your current location may be different
from those shown below. If this
happens, you can have new summer
time information for your Home City
and World Time City sent to the watch
by connecting the watch with a phone.
If the watch is not connected with a
phone, you can change the summer
time setting manually.
Watch Operation Guide 3540
City Name
London
Paris
Athens
Tehran
Sydney,
Adelaide
Lord Howe
Island
Wellington
Chatham
Islands
Anchorage
Los
Angeles
Denver
Chicago
New York
Halifax
St. John's
The information in the above table is current
●
as of January 2023.
Supported Phones
For information about phones that can
connect with the watch, visit the CASIO
website.
https://world.casio.com/os_mobile/wat/
Summer Time
Summer Time
Start
End
02:00, last
01:00, last
Sunday in
Sunday in March
October
03:00, last
02:00, last
Sunday in
Sunday in March
October
04:00, last
03:00, last
Sunday in
Sunday in March
October
00:00,
00:00, March 22
September 22 or
or 21
21
02:00, first
03:00, first
Sunday in
Sunday in April
October
02:00, first
02:00, first
Sunday in
Sunday in April
October
02:00, last
03:00, first
Sunday in
Sunday in April
September
02:45, last
03:45, first
Sunday in
Sunday in April
September
02:00, first
02:00, second
Sunday in
Sunday in March
November
02:00, first
02:00, second
Sunday in
Sunday in March
November
02:00, first
02:00, second
Sunday in
Sunday in March
November
02:00, first
02:00, second
Sunday in
Sunday in March
November
02:00, first
02:00, second
Sunday in
Sunday in March
November
02:00, first
02:00, second
Sunday in
Sunday in March
November
02:00, first
02:00, second
Sunday in
Sunday in March
November
Specifications
Accuracy at normal temperature :
±15 seconds per month average when time
adjustment by time calibration signal
reception or by communication with a
phone is not possible.
Timekeeping :
Hour, minute, second, year, month, day,
day of the week
a.m./p.m.(P)/24-hour timekeeping
Full Auto Calendar (2000 to 2099) *
* Year display on setting screen only.
Signal Receive Functions :
Auto receive, manual receive
Auto summer time switching
Auto transmitter selection (for JJY, MSF/
DCF77)
Receivable call signs:
JJY (40 kHz/60 kHz), WWVB (60 kHz), MSF
(60 kHz), DCF77 (77.5 kHz), BPC (68.5
kHz)
OFF: Signal receive disabled
World Time :
Current time in 39 cities (39 time zones) and
for UTC, auto summer time switching
Home City/World Time City swapping
Alarm :
Time alarm
Alarms: 5 (with one snooze alarm)
Setting units: Hours, minutes
Beeper: 10 seconds
Hourly time signal
Beeps every hour on the hour
Stopwatch :
Measurement unit: 1/100 seconds (first
hour); 1 second (after first hour)
Measurement range: 23 hours, 59 minutes,
59 seconds (24 hours)
Measurement functions: Elapsed time, split
time, two finishes
29
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