The answer depends on many, many variables. Which specific ceremony, where it will take place and for what occasion, who will be attending and various other questions. In general, to learn the most basic way of preparing and serving tea will take most students 6 months to a year, but to put on a full-length (4.5 hour) ceremony will take at least 5 years of minimum once-per-week study.
Approximately 4.5 hours.
CNA training is good for a lifetime. As long you have the proper training and have certificate. You also have to keep renewing your certificate in certain states.
Up to anout four years if you have to proper training
Approximately 4.5 hours, including breaks.
As long as they can wield and handle a katana (Japanese sword), they can begin their training to be a samurai. But many boys begin when they are in the ages of 3 or 4
Over 4000 years. They were made for the tea ceremony in Japan. There are three kinds of Japanese garden but all have a zen garden, koi pond, and many Japanese plants.
It is important to give each shrimp a burial ceremony so they willed not be angered in the after life. A proper burial ceremony consists of placing each shrimp individually in an outdoor dirt area along with a speech (doesn't have to be long). In an ideal circumstance, each shrimp will have a unique name.
As long as it takes to learn the proper procedures. Many parishes have training programs for altar boys. Check with yours.
7 years
The duration of Olympic opening ceremony has not been the same over the years. In 2012 London Olympics the opening ceremony was 3 hours long after half an hour of original duration was shortened.
Every state is different, but it all depends how long it takes you to submit the proper paperwork and how long you have to go through the training process for that state.
2 years