English 12-hour to 24-hourHere is how to convert the 12-hour English format to the 24-hour format:
- If the time was 12:00 AM (midnight), it would be 00:00 when converted to the 24-hour clock.
- If the time was between 1: 00AM and 11: 00AM, the 12-hour system and the 24-hour system were the same. For example, 1: 00AM was 01:00, and 11: 00AM was 11:00.
- If the time was 12:00 PM (noon), it would be 12:00 in the 24-hour clock.
- If the time was between 1:00 PM and 11:00 PM, the conversion to the 24-hour system would require 12 to be added to the original number of hours. For example, 1:00 PM was 13:00, and 11:00 PM was 23:00.
In programming, for example, using the Simple Dateformat class of Java, if the format time is in the 12-hour format, use "hh:mm:ss", and in the 24-hour format, use "HH:mm:ss". You can obtain the 12-hour format time and convert it to the 24-hour format according to the above rules.
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24-hour clockThe 24-hour system was a time recording system that divided a day from midnight to midnight into 24 hours, from 0 to 23 (24 was the midnight at the end of the day). It originated in ancient Egypt, where the Egyptians divided time into 12 hours during the day and 12 hours at night (or 10 hours between sunrise and sunset, 1 hour each at dawn and dusk, and 12 hours at night). At that time, people realized that the length of an hour changed with the seasons. In the 24-hour format, the time is written in the format of "hours: minutes"(for example, 01:23) or "hours: minutes: seconds"(01:23:45), with zeros in front of numbers less than 10 (although it is not necessary in the hour part, it is widely used in computer applications such as the 8601 standard). In an environment where the precision was higher than seconds, the seconds could be expressed in decimals. A day starts at midnight (12:00 or 24:00), and the last minute of each day starts at 23:59 and ends at 24:00. 24:00 on a certain day is equivalent to 00:00 on the next day, and the digital clock displays from 00:00 to 23:59. The establishment of this epoch system benefited from the process of global integration, and it expanded around the world along with the expansion of capitalists. It provided a reference for global synchronization activities and had an important impact on the global economy, politics, and culture.
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Is it a day or an hour?The god of value could be related to the day or the hour. From the point of view of the day, there was a god on duty every 360 days a year to monitor the affairs of ghosts and gods in the human world, just like a god on duty every day. There were also different gods on duty every day of the year, and the good or bad luck of the day was determined by the interaction of the gods on duty. From the point of view of the hour, different hours also had different good or bad luck judgments related to the value of the gods. For example, on February 19, 2021, different hours had different good or bad luck judgments. The good or bad luck between 23:00 and 1:00 was the heavenly prison (bad), and the bad luck between 1:00 and 3:00 was the Xuanwu (bad).
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24-hour timerThere are many types of 24-hour timers. The following are some common ones:
- Cycle timing chip: For example, EH4A02 - 3E69 - 2BPE cycle timing chip, the power supply method is DC3.7V18650 battery, and two output channels (one indicator light and one motor) are controlled by two touch buttons. It has a variety of working modes. For example, after the motor has been working for a certain period of time, it can be operated again after 23 hours and 58 minutes (or 23 hours and 55 minutes) of standby, achieving a 24-hour cycle.
- Mechanical models: For example, a mechanical timer for children. It doesn't need to be installed with batteries and is easy to operate. It can be used to count time with a twist. It has a visual function and will automatically ring when the time is up. It is suitable for children to use and can help change the habit of dragging.
- Electronic timers: There are many kinds, such as a 24-hour countdown timer with a clock, a sound switch, a silent flashing light reminder, a beauty salon timer, a foreign trade kitchen timer (Chinese and English 24-hour electronic timer digital reminder), etc., the price is different.
- Hongrun timer/timer: Fully automatic chip packaging technology, strong anti-interference ability, six LED digital display and wide display range, with a variety of output functions, timing function with button start, stop, reset function, and an external button.
- Timers in Codesys: There are TN (timer on, start delay timer), TOF (timer off, turn off delay timer), and TN (pulse timer, pulse delay timer) types. Different timing functions are realized through pins such as IN, PM, Q, and ET. The setting value and used time are in time format (in ms).
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Near NanjingThere were many areas worth paying attention to near Nanjing. The following were some of the situations:
** 1. History and Military **
During the 1949 Huai Hai campaign, the military situation around Nanjing was tense. At that time, the Kuomingtang army was in a desperate situation in the Huaihai battlefield. In addition to Hu Zongnan, who was held back in Guanzhong, and Bai Chongxi's troops, who had conflicts with him, there were only the 4th, 21st, 52nd, and 88th armies guarding Nanjing. However, these armies around Nanjing were responsible for defending the vast areas of Jinglu, Jiangsu, and Zhejiang. They could not be transferred to the Huaihai battlefield.
** 2. In terms of tourism **
1. ** City attractions **
- ** Ming Xiao Mausoleum **: This is Zhu Yuanzhang's mausoleum. You can visit it for free if you arrive before 6:30 in the morning. After 6:30, it will cost 70 yuan per person. You can take the subway line 2 to Mufuyuan Station and walk for 15 minutes to Gate 5 to enter the tour. It is recommended to play for 3 hours. From Gate 7, you can take an electric car directly to Sun Yat-sen Mausoleum.
- ** Sun Yat-sen Mausoleum **: Free attraction, but reservation must be made in advance on the official public account of the scenic spot. It is not open on Mondays.
- ** Music Station **: South of Sun Yat-sen's Mausoleum. 10 yuan ticket. You can rest and feed the pigeons.
- ** Meilin Pavilion **: It was built by Jiang Jieshi for his wife during the Republic of China. It was located in the north of Purple Mountain. The entrance fee was 30 yuan and the tour lasted for about one hour.
- ** Nanjing Ming Palace **: The place where Zhu Yuanzhang used to clock in and go to work. It used to be bigger than the Forbidden City in Beijing. It's free. You can enter by swiping your ID card and play for about half an hour.
- ** Nanjing Museum **: One of China's three major museum, free of charge but requires advance reservation. Closed on Mondays. There are six exhibition halls and more than 430,000 official cultural relics, second only to the Palace Museum in Beijing. It is recommended to visit for more than two hours.
- Confucius Temple: Free. You can stroll through the flower shop and see the Qinhuai River (where Du Mu moored at night), Wuyi Alley (where the sunset was at the entrance of Wuyi Alley in Liu Yuxi's works), Dacheng Hall (where Confucius taught), Jiangnan Examination Hall (the imperial examination hall of the Ming and Qing Dynasties).
- ** Old Door **: Antique, with a strong smell of Nanjing's special fireworks, there are many special delicacies such as duck blood vermicelli soup, osmanthus cake, etc.
2. ** Tour Routes **
- ** The most beautiful 17 kilometers in Jiangning **: The route is Datangjin-Sujia-Yinxing Lake-Huanglongxian-Shitang Bamboo Sea-Sankeshu. It takes about 2 hours to ride, 40 minutes to drive, and 4 hours to walk. It is recommended to play for a day. Along the way, there were attractions such as Datang Golden Vanilla Valley (Northern European castle-style building with ostriches and other animals), Su Family (modern art village with homestays, cafes, etc.), Huanglongxian Scenic Area (100 acres of bamboo sea and tea mountain), Three Tree Manor (entrance fee 50 yuan, with rare plants), etc.
- ** She Village "Nanjing Xiaochuan Tibetan Line"**: The route is Jiangning She Village Reservoir-She Village Ming and Qing Dynasties architectural complex-Hengshan Reservoir-Longshang Lake-Longshang Village-Garden Exposition Garden. It took about 40 minutes to drive from the city to She Village, 30 minutes to drive from She Village to Longshang Village, 45 minutes to ride, and two and a half hours to walk. Half a day was enough. There were She Village Reservoir (parking, rest, photo camping), She Village (with Danxia Landform and ancient buildings), Hengshan Reservoir (suitable for camping), Longshang Village (with internet celebrity homestay) and other scenic spots.
- ** Pukou Ring Laoshan Self-driving Route **: The self-driving route is Foshou Lake-Pearl Spring-West Genglian Township-Ink Painting Big Nian-Laoshan National Forest Park-Bulao Village. It took about 40 minutes to drive from the city to the parking lot of Laoshan National Forest Park, about one hour by car on the route around Laoshan, and about two and a half hours on foot. Among them, there was a wavy road near Qizhen Road near Laoshan National Forest Park, which was suitable for self-driving and riding experience.
** 3. City Development **
Around 2010 (up and down for three years), a large number of new cities emerged in Nanjing, such as Qiaolin New City and Pukou New City.(later upgraded to Jiangbei New Area), Jiangbei Tunnel Entrance (later upgraded to Jiangbei New Area), Banqiao, Jiangning Binjiang, South Station, Hexi New City, Qilin, Xianlin Lake, Shanshan New City, Liuhe New City, Lukou New City, etc. These new cities will compete and cooperate in the future development and construction, and each will bear different functions and positions in the overall development pattern of the city.
Is there a kindergarten near 71?Since he didn't know the exact location of Number 71, he couldn't accurately answer which kindergarten was near Number 71.
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