The time of legitimacy of a solitary section visa (that becomes invalid when you enter Japan) is fundamentally 30 days. Enter Japan in the span of 90 days of the issuance of the visa. Assuming you wish to defer your movement for longer than one month, you will be expected to make another visa application.
A Japan Vacationer Visa is given for a most extreme span of 30 days, as a rule for a solitary section. You can spend as long as 15 days in the country once you enter by means of the Vacationer Visa.
25 working days