Moon PhaseThe English term for the moon phase was "lunar phase" or "moon phase."
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How to use the moon phase function of the moon phase watchThe usage of the moon phase watch is as follows:
** I. Moon Phase Wheel and Moon Phase Cycle Theory **
1. The moon phase wheel would move one tooth every day and rotate one full circle every two months. The average time of the month was 29.5 days, so the moon phase wheel had 59 teeth. This meant that the changes in the moon's phase were displayed on the dial according to this rhythm.
2. Due to the difference between the exact rotation period of the moon and the moon phase wheel, the error in the moon phase display would reach 24 hours every 33 months.
** 2. Basic operations of moon phase adjustment **
1. ** Based on the 15th day of the lunar calendar **
- During the adjustment, the full moon on the fifteenth day of the lunar calendar was used as the benchmark, and the moon pattern on the moon phase table was aimed at the middle. For example, if today was the second day of the lunar calendar and the end of the lunar calendar last month was the 29th, the adjustment calculation method was 29 minus 15, plus 2. If the lunar calendar had 30 days, then add 1 more day. This kind of adjustment was usually done by the quick adjustment button on the side of the moon phase watch case, or by rotating the dragon head.
2. ** Quick Dialing Notice **
- In most cases, you can speed dial the moon phase in the second gear, but don't speed dial between 3:00 and 4:00 in the morning.(For some watches, such as Blancpain's moon phase watch, you can't use the moon phase fast dial button at 12 o'clock in the afternoon. The workaround is to turn the hour hand back to 8 o'clock or after 4 o'clock, then use the fast dial button to adjust the date or moon phase, and then adjust the time.) Because the gears are in the engaged state, if you force the fast dial, it will cause internal parts to be damaged.
3. ** Illustrate the adjustment steps **
- For example, today was September 8th, and the last full moon was September 4th (you can find it on the Internet). First, adjust the moon phase to the full moon (this time represents September 4th), and then move the four teeth. This is the moon phase on the 8th. Before the operation, the position of the moon had to be adjusted to the center to confirm that it was the fifteenth day of the lunar calendar. Then, based on the fifteenth day of the lunar calendar, he calculated it day by day. Normally, as long as a normal moon phase watch was corrected, it would take two years and seven months before the error would accumulate to one day. If there was a difference of one day, then only on the 15th day of the lunar calendar would there be an obvious difference between the moon phase chart on the watch and the moon in the real night sky. The rest of the days would basically be impossible to see.
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How to adjust the moon phase of the Blancpain Moon Phase WatchThe steps to adjust the moon phase of the Blancpain Moon Phase Watch are as follows:
If it was a full calendar moon phase watch and it was a pointer type moon phase, the pointer must first be aimed at the middle of the full moon. The buttons to adjust the moon phase were mostly on the side of the case. Blancpain's full calendar moon phase watch was adjusted on the patent hidden adjustment button behind the ear. Generally, the date, week, and month were adjusted first, and finally the moon phase was adjusted. However, which button corresponded to the moon phase and which button corresponded to the date and month depended on the specific watch model. You needed to refer to the specific watch manual.
Take March 14th, 2017 (the 17th day of the lunar calendar) as an example. There are two days between the 15th day and the 15th day. At this time, you have to pay attention to the number of days ahead, and you have to adjust the calendar to the day before today (if today is the 5th day, then adjust it to the 4th day), and then press the adjust moon phase button according to the calculated number of days (in this case, it is 2 days, press twice).
If it was a Blancpain 5054 moon phase watch, its B button was responsible for the moon phase function. Generally, it was best to adjust it after the 15th day of the lunar calendar. Pressing it once would move the moon back by one day.
Check the full moon date of the previous month (according to the lunar calendar) and calculate the date to today (the date on the watch is the solar calendar). For example, today is July 15th, the last full moon was July 2nd, and today is 13 days. Press the adjustment button on the outside of the case (watches with moon phase function all have an embedded adjustment button, different brands have different positions), press the moon phase to rotate one day until the moon is in the middle of the moon phase plate, and then press this adjustment button 12 times.
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The relationship between the moon phase change map and the moon phase nameThe changes of the moon were generally divided into the stages of the new moon, crescent moon, first quarter moon, full moon, moon, waning moon, last quarter moon, waning moon, and so on. In the Moon Phase Change Map, each phase corresponded to a specific moon phase name.
During the new moon, the moon moved between the earth and the sun, with its dark side facing the earth and rising and setting with the sun. This stage was at the starting position in the lunar phase change map, and the moon could not be seen.
The crescent moon appeared after the new moon. Its shape was curved like an eyebrow, and the protruding part of the moon was facing west in an inverted C shape. It was the transition form of the new moon to the upper and lower quarter moon.
The first quarter moon appeared around the seventh day of the lunar calendar. From the northern hemisphere, the right half of the moon was illuminated, forming a semicircle. At this time, the line connecting the sun and the earth was vertical to the line connecting the earth and the moon. It was located in a specific transition position in the moon phase change map.
The full moon was between the first crescent moon and the full moon, and the illuminated part of the moon gradually increased.
The full moon (Wang) appeared at the 15th and 16th of the lunar calendar. The earth was located between the sun and the moon. The side of the moon facing the earth would be illuminated. The round moon could be seen all night. In the lunar phase change chart, it was the phase where the moon was the most illuminated.
Fortunately, after the full moon, the illuminated part of the moon gradually decreased.
The last quarter of the moon appeared around the 22nd of the lunar calendar. The left half of the moon was illuminated from the northern hemisphere, almost in the shape of a semicircle.
The waning moon appeared at the end of the lunar calendar. The protruding part of the moon faced east, like the letter "C." It was the transition from the last quarter of the moon to the new moon. It was close to the beginning of the next cycle in the lunar phase change map.
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How do you look at the moon phase of the moon phase watch?Moon phase watches usually set a crescent-shaped window at twelve or six o'clock on the dial to show the changes in the moon phase. To understand the moon phase of the moon phase watch, one must first understand the changes in the moon phase. The first day of the month is the new moon, and the moon rises and sets with the sun. The third day of the month comes out. The first quarter of the eighth day appears in the middle of the night. The fifteenth day of the month is full.
Every 24 hours of operation, the movement drives a moon phase disk. The common moon phase disk uses 50 teeth and displays the changes of the moon phase according to the 29.5-day cycle. When the outer edge of the moon was close to the shape of the letter C, it was the moon before the 15th day of the lunar calendar; when the outer edge of the moon was close to the shape of the letter C, it was the moon after the 15th day of the lunar calendar.
In addition, in some lunar phase tables, if the full moon is regarded as a circle, no matter how the moon phase changes, the line connecting the upper and lower apices is the diameter of the circle (except for the irregular moon phase during an eclipse).
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Moon phase and dateThe phases of the moon were different from the positions of the Earth, the Moon, and the Sun. The parts of the moon that were illuminated on Earth changed periodically and appeared in various shapes. The phases of the moon were generally divided into the new moon, crescent moon, first quarter moon, full moon, moon, waning moon, last quarter moon, and waning moon. The corresponding dates were as follows:
- The first day of the lunar calendar was the new moon. At this time, the moon moved between the earth and the sun. The back of the moon was illuminated by the sun, and the moon could not be seen on earth. The moon and the sun rose and set almost at the same time.
- A crescent moon appeared after the new moon. Shortly after the sun set, a crescent moon shaped like an eyebrow could be seen in the western sky. The protruding part of the moon was facing west, forming an inverted C shape.
- The first quarter moon was around the seventh day of the lunar calendar. It appeared in the southwest sky in the first half of the night. From the northern hemisphere, the right half of the moon was illuminated and formed a semicircle.
- The fifteenth and sixteenth days of the lunar calendar were the full moons. The Earth was located between the Sun and the Moon. The side of the Moon facing the Earth would be illuminated, and the full moon could be seen all night.
- The last quarter of the moon was around the 22nd of the lunar calendar. It appeared in the southeast sky in the second half of the night. From the northern hemisphere, the left half of the moon was illuminated.
- The end of the lunar month was the "waning moon". It appeared in the eastern sky at dawn, and the protruding part of the moon was facing east, like the letter "C". The moon's phase returned from the waning moon to the new moon and began a new cycle of changes.
The moon phase map was a special term in astronomy. It was a visual representation of the moon's appearance at different stages. Through the moon phase map, one could directly see the changes of the moon phase corresponding to different days.
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Moon phase dialThe moon phase dial was an important part of the moon phase watch. Normally, there were 59 teeth on the moon phase disk, and one tooth was moved every day. Its operation period was 29.5 days, symbolizing the moon phase cycle. The moon phase plate was usually dark blue with two sets of symmetrical patterns on it, including two round moons with a starry sky in the middle. There was a "half-moon" window on the dial, and as the moon phase plate moved slowly, the first quarter moon, full moon, and last quarter moon appeared in turn. Different brands and models of moon phase watches may have different designs and functions. For example, some moon phase watches have a moon phase display at 6 o'clock, some will display the moon phase and other functions (such as date, day of the week, etc.) cleverly arranged on the dial, and some moon phase watches have a unique design of the moon phase display, like some watches have a crescent moon, which can show the dynamic changes of the moon phase.
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Blancpain Moon PhaseBlancpain had a variety of moon phase watches, and different series of moon phase expressions had their own characteristics. For example, the Blancpain Villeret classic series 6654 watch incorporated the changes of the moon's cycle into the dial; the perpetual calendar moon phase watch 6656 had a moon phase display window at 6 o'clock on the dial, with a unique moon phase expression that was enough to be recognized at a glance. In addition, Blancpain's new Ladybird Women's Diamond Ball Colorful Watch had a moon phase display window at 6 o'clock on the dial, and the beautiful face of the goddess of the moon seemed to float on it.
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October 2024 Moon PhaseOctober 9, 2024 was the first quarter moon, but the reference did not provide the complete moon phase for the entire month of October 2024, so it was impossible to accurately answer the moon phase for the entire month of October.
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