Using World Time - Casio 2931 Operation Manual

Viewing the Tide Graph/Moon Graph for a Particular Date
In the Timekeeping Mode, press the C button to enter the Tide/Moon Graph Mode.
❚ To scroll through dates
1.
Use the D D D D button to scroll D
through the date screens
until the one you want is
displayed.
• The tide graph and moon
graph for the date you
selected will appear in about Selected Date (Forward)
40 seconds.
• Holding down the D button
scrolls at high speed.
2.
Press the A A button to A A A
toggle between a.m. and
p.m.
PM indicator
(A for AM)

Using World Time

World time lets you display the current time in any one of 32 cities
(30 time zones) around the world.
• When you enter the World Time Mode, the screen for the city that
was displayed when you last exited the mode appears first.
• The seconds count in the World Time Mode is linked with the
Timekeeping Mode seconds count.
• The same 12-hour/24-hour format you select for the Timekeeping
Mode time is also applied in the World Time Mode.
Important!
• If the World Time Mode time is incorrect, correct the setting of the
current time in the Timekeeping Mode.
• For information about selecting a Time Zone and setting
the time, see "Setting the Home City Time and Date".
Operation Guide 2931
❚ To jump to a specific date
Year
1.
Hold down the A A A button A A
for about two seconds
until the year digits of the
date start to flash.
2.
Press the C C C C button to C
select the setting you
want to change.
• Each press of C moves the
flashing between the year,
month, and day as shown
below. Month
Month Day Year
Use the C C C C C button to enter the World Time Mode as shown
under "Modes and Display Screens".
❚ To search for a city code
In the World Time Mode, press the D D button to scroll D D D
through the city codes.
• Holding down the D button scrolls at high speed.
City Code
World Time
(Decrease)
3.
Use the D D D D D (+) and B B B B B (–)
buttons to change each
setting.
• Holding down either button
scrolls the setting at high
speed.
(Increase)
Use the C button to select each of the settings and the D
and B buttons to change them to the year, month, and day
you want.
4.
When the date is the way
you want, press the A A A A A
button.
• The tide graph and moon
graph for the date you
specified will appear in about
40 seconds.
• The display also will exit the
setting screen automatically if
you do not perform any
operation for about two or
three minutes.
Using Summer Time (DST)
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.
❚ To turn summer time on or off
1.
D D D button to display the
In the World Time Mode, use the D D
screen for the city code whose summer time setting you
want to change.
2.
A A
Hold down the A A button A
for two seconds to toggle
the summer time setting
on (DST indicator
displayed) and off.
• Turning on summer time
advances the current time by
DST indicator
one hour.
• You can turn summer time on
or off independently for each
World Time Mode city.
• If you turn on summer time for
the city that you are using for
your Home Time city, summer
time is also turned on in the
Timekeeping Mode.
5.
Press the A A A A A button to
toggle between a.m. and
p.m.
PM indicator
(A for AM)
World Time City Code List
GMT GMT
City City
Differ- City Name Differ- City Name
Code Code
ential ential
PPG –11 Pago Pago JED +3 Jeddah
HNL –10 Honolulu THR +3.5 Teheran
ANC –9 Anchorage DXB +4 Dubai
LAX –8 Los Angeles KBL +4.5 Kabul
DEN –7 Denver KHI +5 Karachi
CHI –6 Chicago DEL +5.5 Delhi
NYC –5 New York DAC +6 Dakar
CCS –4 Caracas RGN +6.5 Yangon
RIO –3 Rio de Janeiro BKK +7 Bangkok
–02 –2 HKG +8 Hong Kong
–01 –1 OSA +9
Osaka
LON +0 London TYO +9 Tokyo
PAR +1 Paris ADL +9.5 Adelaide
BER +1 Berlin SYD +10 Sydney
ATH +2 Athens NOU +11 Noumea
CAI +2 Cairo WLG +12 Wellington
JRS +2 Jerusalem TBU +13 Nuku'Alofa
• The contents of the above table are current as of December 2004.
• Time differentials in the above table are in accordance with
Universal Time Coordinated (UTC).
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