Why did Japanese clocks once have variable hours?

0
32

Time is something we often take for granted in our modern world. We’re used to clocks that divide the day into 24 equal hours. But did you know they had a different way of telling time in old Japan? It once had variable hours, which changed with the seasons. This unique system reflected Japan’s cultural and practical needs during a specific historical period.

  • Origins of variable hours in japan

The variable hour system in Japan started during the Edo period, which lasted from 1603 to 1868. This was when Japan was mainly closed off from the rest of the world. This system divided the day into two main parts: daylight and night-time. Each part was then divided into six equal units: variable hours. These units were called “toki” in Japanese.

  • How variable hours worked

The length of these hours changed depending on the season. In summer, when days are longer, the daylight hours are longer than the night-time hours. In winter, it was the opposite. The night-time hours became more extended than the daylight hours. This meant that an hour in summer could be much longer than an hour in winter. It doesn’t sound obvious to us now, but it made sense for the Japanese people of that time. They were more concerned with the natural rhythms of day and night than fixed time units.

  • Reasons for using variable hours

The Japanese used this system for several reasons. First, it fits well with their daily routines. People woke up at sunrise and went to bed at sunset. The variable hour system matched these natural patterns of life. They could adjust their work schedules based on the changing lengths of day and night throughout the year. In Buddhism, which was important in Japan, monks prayed at six periods of the day. The variable hour system fits perfectly with these prayer times.

  • Japanese clocks and how they worked

To keep track of these changing hours, the Japanese invented unique clocks. These clocks, called wadokei, were complex machines. They had to be adjusted regularly to account for the changing lengths of the hours. Others had unique mechanisms to speed up or slow down to match the variable hours. Making and maintaining these clocks was a skilled job. 

  • Daily life with variable hours

Living with variable hours affected many aspects of daily life in old Japan. People had to be more aware of the natural rhythms of day and night. They couldn’t just look at a clock and know how much daylight was left. Meetings might be set for the “third hour of the day,” but the actual time would change depending on the season.

  • Legacy of the variable hour system

Even though clocks no longer use variable hours, this system left its mark on Japanese culture. Some traditional events and festivals still use the old-time system.

Understanding systems like the Japanese variable hours allows us to appreciate the diversity of human cultures and how people have solved problems throughout history. The story of why Japanese Clocks once had variable hours is a fascinating journey into a different way of thinking about time. While we may not use variable hours today, learning about them gives us a new perspective on measuring and valuing our time.