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E-40
To view the current Moon age
1. In the Timekeeping Mode, press
D
to display the Tide/Moon Data
Mode Screen.
2. Press
A
to display the Moon age for today.
Moon Phases and Moon Age
The Moon goes through a regular 29.53-day cycle. During each cycle, the Moon appears to wax and
wane as the relative positioning of the Earth, Moon, and Sun changes. The greater the angular distance
between the Moon and the Sun,* the more we see illuminated.
* The angle to the Moon in relation to the direction at which the Sun is visible from the Earth.
See “Northern Hemisphere View or Southern Hemisphere View Moon Phase” (page E-49).
• Your watch shows the Moon phase and Moon age at noon of a date, regardless of the time displayed
by the watch.
• The Moon phase is based on the northern hemisphere view, with the Moon to the south. Note that the
Moon phase form will be reversed in the case of the southern hemisphere view (Moon to the north) or in
the vicinity of the equator.
• The margin for error of the Moon age is ±1 day.
• The Moon Phase and Moon Age of the watch’s Home City are shown, even if the watch is in the World
Time Mode.
• If Moon Graph indication is not correct, check the Timekeeping Mode time and date settings, and the
Home City setting.
Today’s Moon ageToday’s Moon age
E-41
Moon Phase
Indicator
Moon Age
Moon Phase
New
Moon
First
Quarter
(Waxing)
28.7-29.8
0.0-0.9
1.0-2.7 2.8-4.6 6.5-8.34.7-6.4 8.4-10.1 10.2-12.0 12.1-13.8
Moon Phase
Indicator
Moon Age
Moon Phase
Full
Moon
Last
Quarter
(Waning)
13.9-15.7
15.8-17.5 17.6-19.4 21.3-23.119.5-21.2 23.2-24.9 25.0-26.8 26.9-28.6
Moon phase (part you can see)(part you cannot see)
E-42
To view the tide level at a different time today
1. Use
D
to enter the Tide/Moon Data Mode as shown on page E-9.
• This displays the Tide Screen, which shows information in the following sequence: TIDE ➝ Today’s
date ➝ 6:00AM.
• Tide Graph hand indicates the tide at 6 a.m. for today.
Tide level at 6:00 a.m.
for today
Tide Screen
2. Use
E
to specify the time you want.
• Each press of
E
advances the time by one hour, causing the Tide Graph hand to change
accordingly.
• Holding down
E
scrolls the time at high speed.
• If you are using 12-hour timekeeping, the P (p.m.) indicator will also appear on the display.
E-43
To view the tide level, moon phase, and Moon age for a specifi c date and time
1. Use
D
to enter the Tide/Moon Data Mode as shown on page E-9.
• This displays the Tide Screen, which shows information in the following sequence: TIDE ➝ Today’s
date ➝ 6:00AM.
• Tide Graph hand indicates the tide at 6 a.m. for today.
Tide level at 6:00 a.m.
for today
Tide Screen
E-44
2. Press
A
.
• This displays the Moon Screen, which shows information in the following sequence: MOON ➝
Today’s Moon age.
• The Tide Graph hand moves to 12 o’clock.
Tide level at
6:00 a.m. for today
Tide level not indicated
Today’s Moon age
Tide Screen Moon Screen
Note
• Tide Graph is disabled while the Moon Screen showing the Moon age is displayed. Note that even if
you use the operation to change to another date, Dial Hand 2 always points to 12 o’clock position
(HIGH), but this does not mean high tide.
E-45
3. Use
E
to specify the date you want.
• Pressing
E
causes today’s date to appear on the digital display. Each press of
E
advances the
day by 1.
• Holding down
E
scrolls the day at high speed.
• About one second after you display the desired date, the Moon age on that date appears.
• You can select any date between January 1, 2000 and December 31, 2099.
You can use this screen to check the Moon phase and the Moon age on the specifi ed date.
• To view the tide level for a specifi ed date and time, go to step 4 of this procedure.
4. Press
A
.
• This returns to the Tide Screen, which displays information in the following sequence: TIDE ➝
6:00AM.
• The Tide Graph hand indicates the tide level at 6 a.m. for the specifi ed date.
5. Use
E
to specify the time you want.
• Each press of
E
advances the time by one hour, causing the Tide Graph hand to change
accordingly.
• Holding down
E
scrolls the time at high speed.
• If you are using 12-hour timekeeping, the P (p.m.) indicator will also appear on the display.
You can use this screen to check tide level for a specifi ed date and time.
E-46
Note
• Navigating from the Moon Screen to the Tide Screen clears any time you specifi ed.
To view the tide level for a specifi ed date and time, fi rst specify the date (steps 2 and 3).
• Navigating to another mode clears any time and date you specifi ed.
In other modes, Tide Graph shows the current tide level and Moon Graph shows the moon phase at
noon of today's date.
Calibrating the High Tide Time
You obtain more accurate tide indications by the watch by calibrating its high tide time with information
you can fi nd on the Internet or in a newspaper.
• Note that the high tide time differs according to your location and the current season.
• Use the Moon Screen to calibrate high tide times.
E-47
To calibrate the high tide time
1. In the Tide/Moon Data Mode, display the Moon Screen.
• If the Tide Screen is displayed, press
A
to change to the Moon Screen, which shows information
in the following sequence: MOON ➝ Moon age.
Today’s Moon age
Tide Screen Moon Screen
2. Use
E
to specify the date you want.
• Pressing
E
causes today’s date to appear on the digital display. Each press of
E
advances the
day by 1.
• Holding down
E
scrolls the date at high speed.
• About one second after you display the desired date, the Moon age on that date appears.
• You can skip this step if you do not want to change the date setting.
Operation Guide 5442 5443
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